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Chromosome 2

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Chromosome 2
Human chromosome 2 pair afterG banding.One is from mother, one is from father.
Chromosome 2 pair
in human malekaryogram.
Features
Length (bp)242,696,752 bp
(CHM13)
No.of genes1,194 (CCDS)[1]
TypeAutosome
Centromere positionSubmetacentric[2]
(93.9 Mbp[3])
Complete gene lists
CCDSGene list
HGNCGene list
UniProtGene list
NCBIGene list
External map viewers
EnsemblChromosome 2
EntrezChromosome 2
NCBIChromosome 2
UCSCChromosome 2
Full DNA sequences
RefSeqNC_000002(FASTA)
GenBankCM000664(FASTA)
Fusion of ancestral chromosomes left distinctive remnants of telomeres, and a vestigial centromere

Chromosome 2is one of the twenty-three pairs ofchromosomesinhumans.People normally have two copies of this chromosome. Chromosome 2 is the second-largest human chromosome, spanning more than 242 millionbase pairs[4]and representing almost eight percent of the totalDNAin humancells.

Chromosome 2 contains the HOXDhomeoboxgene cluster.[5]

Chromosomes[edit]

Humans have only twenty-three pairs of chromosomes, while all other extant members ofHominidaehave twenty-four pairs.[6]It is believed thatNeanderthalsandDenisovanshad twenty-three pairs.[6]

Human chromosome 2 is a result of an end-to-end fusion of two ancestral chromosomes.[7][8][9]The evidence for this includes:

  • The correspondence of chromosome 2 to twoapechromosomes. The closest human relative, thechimpanzee,has nearly identicalDNA sequencesto human chromosome 2, but they are found in two separate chromosomes. The same is true of the more distantgorillaandorangutan.[10][11]
  • The presence of avestigialcentromere.Normally a chromosome has just one centromere, but in chromosome 2 there are remnants of a second centromere in the q21.3–q22.1 region.[12]
  • The presence of vestigialtelomeres.These are normally found only at the ends of a chromosome, but in chromosome 2 there are additional telomere sequences in the q13 band, far from either end of the chromosome.[13]

We conclude that the locus cloned in cosmids c8.1 and c29B is the relic of an ancient telomere-telomere fusion and marks the point at which two ancestral ape chromosomes fused to give rise to human chromosome 2.

— Jacob W. Ijdo[13]

Genes[edit]

Number of genes[edit]

The following are some of the gene count estimates of human chromosome 2. Because researchers use different approaches togenome annotationtheirpredictionsof thenumber of geneson each chromosome vary. Among various projects, the collaborative consensus coding sequence project (CCDS) takes an extremely conservative strategy. So CCDS's gene number prediction represents a lower bound on the total number of human protein-coding genes.[14]

Estimated by Protein-coding genes Non-coding RNA genes Pseudogenes Source Release date
CCDS 1,194 [1] 2016-09-08
HGNC 1,196 450 931 [15] 2017-05-12
Ensembl 1,292 1,598 1,029 [16] 2017-03-29
UniProt 1,274 [17] 2018-02-28
NCBI 1,281 1,446 1,207 [18][19][20] 2017-05-19

List of genes[edit]

The following is a partial list of genes on human chromosome 2. For complete list, see the link in the infobox on the right.

p-arm[edit]

Partial list of the genes located on p-arm (short arm) of human chromosome 2:

  • ACTR2:encodingproteinActin-related protein 2
  • ADI1:encodingenzyme1,2-dihydroxy-3-keto-5-methylthiopentene dioxygenase
  • AFF3:encodingproteinAF4/FMR2 family member 3
  • AFTPH:encodingproteinAftiphilin
  • ALMS1:Alstrom syndrome 1
  • ABCG5 and ABCG8:ATP-binding cassette, subfamily A, members 5 and 8
  • ASXL2:Additional sex combs like 2, transcriptional regulator
  • ATOH8:encoding protein Atonal bHLH transcription factor 8
  • ATRAID:encodingproteinApoptosis-related protein 3
  • BCYRN1:BC200 lncRNA
  • C2orf16:unknown protein C2orf16
  • CAPG:capping acting protein
  • CCDC104:Coiled-coil domain containing 104
  • CCDC142:Coiled-coil domain containing 142
  • CCDC142:Coiled-Coil Domain Containing 142
  • CGREF1:encoding protein Cell growth regulator with EF-hand domain 1
  • CLEC4F:encoding protein C-type lectin domain family 4 member F
  • CTLA4:cytotoxic T-Lymphocyte Antigen 4
  • CYTOR:Cytoskeleton regulator RNA
  • DHX57:DExH-box helicase 57
  • DPYSL5:Dihydropyrimidinase like 5
  • ERLEC1:Endoplasmic reticulum lectin 1
  • EVA1A:encodingproteinEva-1 homolog A (C. elegans)
  • EXOC6B:encoding protein Exocyst complex component 6b
  • FAM49A:Family with sequence similarity 49 member A
  • FAM98A:Family with sequence similarity 98 member A
  • FAM136A:Family with sequence similarity 136 member A
  • FBXO11:F-box protein 11
  • FTH1P3:encoding protein Ferritin heavy chain 1 pseudogene 3
  • GEN1encodingproteinGEN1, Holliday junction 5' flap endonuclease
  • GCKR:Glucokinase regulator
  • GFPT1:glutamine—fructose-6-phosphate transaminase 1
  • GKN1:gastrokine 1
  • GPATCH11:G-patch domain containing protein 11
  • GTF2A1L:General transcription factor IIA subunit 1 like
  • HADHA:hydroxyacyl-Coenzyme A dehydrogenase/3-ketoacyl-Coenzyme A thiolase/enoyl-Coenzyme A hydratase (trifunctional protein), alpha subunit
  • HADHB:hydroxyacyl-Coenzyme A dehydrogenase/3-ketoacyl-Coenzyme A thiolase/enoyl-Coenzyme A hydratase (trifunctional protein), beta subunit
  • HSPC159:Galectin-related protein
  • ID2-AS1:encoding protein Id2 antisense rna 1 (head to head)
  • LCLAT1:encoding protein Lysocardiolipin acyltransferase 1
  • LEPQTL1:Leptin, serum levels of
  • MBOAT2:encoding protein Membrane bound o-acyltransferase domain containing 2
  • MEMO1:Mediator of cell motility 1
  • MPHOSPH10:M-phase phosphoprotein 10
  • MSH2:mutS homolog 2, colon cancer, nonpolyposis type 1 (E. coli)
  • MSH6:mutS homolog 6 (E. coli)
  • MTHFD2:Bifunctional methylenetetrahydrofolate dehydrogenase/cyclohydrolase, mitochondrial
  • MTIF2:mitochondrial translational initiation factor 2
  • NDUFAF7:Protein arginine methyltransferase NDUFAF7, mitochondrial
  • NRBP1:Nuclear receptor-binding protein 1
  • ODC1:Ornithine decarboxylase
  • OTOF:otoferlin
  • PAIP2B:Poly(a) binding protein interacting protein 2b
  • PARK3encodingproteinParkinson disease 3 (autosomal dominant, Lewy body)
  • PCBP1-AS1:encoding protein PCBP1 antisense RNA 1
  • PCYOX1:prenylcysteine oxidase 1
  • PELI1:Ubiquitin ligase
  • PLGLB2:Plasminogen-related protein B
  • POLR1A:DNA-directed RNA polymerase I subunit RPA1
  • PREPL:Prolyl endopeptidase-like
  • PXDN:Peroxidasin homolog
  • QPCT:Glutaminyl-peptide cyclotransferase
  • RETSAT:All-trans-retinol 13,14-reductase
  • RNF103:encoding protein Ring finger protein 103
  • RNF103-CHMP3:encoding protein RNF103-CHMP3 readthrough
  • SH3YL1:SH3 and SYLF domain-containing 1
  • SLC35F6:encodingproteinTransmembrane protein SLC35F6
  • TGOLN2:Trans-Golgi network integral membrane protein 2
  • THADA:encodingproteinThyroid adenoma associated
  • TIA1:TIA1 cytotoxic granule-associated RNA binding protein
  • TMEM150:Transmembrane protein 150A
  • TP53I3:Putative quinone oxidoreducatse
  • TPO:thyroid peroxidase
  • TTC7A:familial multiple intestinal atresia
  • WBP1:WW domain-binding protein 1
  • WDCP:WD Repeat and Coiled Coil Containing Protein
  • WDPCP:encoding protein Wd repeat containing planar cell polarity effector

q-arm[edit]

Partial list of the genes located on q-arm (long arm) of human chromosome 2:

  • ABCA12:ATP-binding cassette, subfamily A (ABC1), member 12
  • ACTR1B:encodingproteinBeta-centractin
  • AGXT:alanine-glyoxylate aminotransferase (oxalosis I; hyperoxaluria I; glycolicaciduria; serine-pyruvate aminotransferase)
  • ALS2:amyotrophic lateral sclerosis 2 (juvenile)
  • ALS2CR8:encodingproteinAmyotrophic lateral sclerosis 2 chromosomal region candidate gene 8 protein also known as calcium-response factor (CaRF)
  • ARMC9:encodingproteinLisH domain-containing protein ARMC9
  • B3GNT7:encodingproteinUDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 7
  • BCS1L:GRACILE (Finnish heritage disease) related gene
  • BMPR2:bone morphogenetic protein receptor, type II (serine/threonine kinase)
  • C2orf40:encoding protein Augurin
  • C2orf54:Chromosome 2 open reading frame 54
  • CCDC115:encoding protein Coiled-coil domain containing 115
  • CCDC138:Coiled-coil domain-containing protein 138
  • CCDC74A:Coiled-coil domain containing 74a
  • CCDC88A:Coiled-coil domain-containing protein 88A
  • CCDC93:Coiled-coil domain-containing protein 93
  • CDCA7:Cell division cycle associated protein 1
  • CHPF:Chondroitin sulfate synthase 2
  • CKAP2L:encoding protein Cytoskeleton associated protein 2 like
  • COL3A1:collagen, type III, alpha 1 (Ehlers-Danlos syndrome type IV, autosomal dominant)
  • COL4A3:collagen, type IV, alpha 3 (Goodpasture antigen)
  • COL4A4:collagen, type IV, alpha 4
  • COL5A2:collagen, type V, alpha 2
  • DES:Desminprotein
  • DIS3L2:DIS3 mitotic control homolog-like 2
  • ECEL1:Endothelin converting enzyme like 1
  • EPC2:Enhancer of polycomb homolog 2
  • EPB41L5:encodingproteinErythrocyte membrane protein band 4.1 like 5
  • ERICH2:encodingproteinGlutamate rich protein 2
  • FASTKD1:FAST kinase domain-containing protein 1
  • IMP4:U3 small nucleolar ribonucleoprotein
  • INPP1:Inositol polyphosphate 1-phosphatase
  • INPP4A:inositol polyphosphate-4-phosphatase type A
  • ITM2C:Integral membrane protein 2C
  • KANSL3:KAT8 regulatory NSL complex subunit 3
  • KIAA1211L:Uncharacterized Protein KIAA1211- Like
  • LANCL1:LanC like 1
  • LINC00607:Long intergenic non-protein coding RNA 607
  • LOC100287387:LOC100287387
  • MALL:MAL-like protein
  • MBD5:encoding protein Methyl-cpg binding domain protein 5
  • MFSD2B:encoding protein Major facilitator superfamily domain containing 2b
  • MGAT5:mannosyl (alpha-1,6-)-glycoprotein beta-1,6-N-acetyl-glucosaminyltransferase
  • MIR375:encoding protein MicroRNA 375
  • MIR561:encoding protein MicroRNA 561
  • NABP1:Nucleic acid binding protein 1
  • NEURL3:encodingproteinNeuralized E3 ubiquitin protein ligase 3
  • NCL:Nucleolin
  • NR4A2:nuclear receptor subfamily 4, group A, member 2
  • OLA1:Obg-like ATPase 1
  • PARD3BencodingproteinPartitioning defective 3 homolog B
  • PAX3:paired box gene 3 (Waardenburg syndrome 1)
  • PAX8:paired box gene 8
  • PID1:Phosphotyrosine interaction domain containing 1
  • POLR1B:DNA-directed RNA polymerase I subunit RPA2
  • PRR21:Proline-rich protein 21
  • PRSS56:Putative serine protease 56
  • RBM44:Rna binding motif protein 44
  • RFX8:Rfx family member 8, lacking rfx dna binding domain
  • RIF1:replication timing regulatory factor 1
  • RNU4ATAC:RNA, U4atac small nuclear (U12-dependent splicing)
  • RPL37A:encodingprotein60S ribosomal protein L37a
  • SATB2:Homeobox 2
  • SCARNA5:Small Cajal body-specific RNA 5
  • SDPR:Serum deprivation-response protein
  • SGOL2:Shugoshin-like 2
  • SH3BP4:SH3 domain-binding protein 4
  • SLC9A4:solute carrier family 9 member A4
  • SLC40A1:solute carrier family 40 (iron-regulated transporter), member 1
  • SMPD4:Sphingomyelin phosphodiesterase 4
  • SP140:encodingproteinSP140 nuclear body protein
  • SP140L:encoding protein Sp140 nuclear body protein like
  • SPATS2L:spermatogenesis associated, serine-rich 2-like protein
  • SSB:Sjögren syndrome antigen B
  • SSFA2:Sperm-specific antigen 2
  • STK11IP:encoding protein Serine/threonine kinase 11 interacting protein
  • TBR1:T-box,brain,1
  • THAP4:THAP domain-containing protein 4
  • TMBIM1:Transmembrane BAX inhibitor motif-containing protein 1
  • TMEM182:encoding protein Transmembrane protein 182
  • TNRC15:PERQ amino acid-rich withGYF domain-containing protein 2
  • TSGA10encodingproteinTestis specific 10
  • TTN:titin
  • TUBA4B:encoding protein Tubulin alpha 4b
  • UBE2F:encoding protein Ubiquitin conjugating enzyme E2 F (putative)
  • UBXD2:UBX domain-containing protein 4
  • UXS1:UDP-glucuronic acid decarboxylase 1
  • VIL1:encoding protein Villin 1
  • XIRP2:Xin actin-binding repeat-containing protein 2
  • ZEB2-AS1:encoding protein ZEB2-AS1
  • ZNF142:zinc finger protein 142
  • ZNF2:encoding protein Zinc finger protein 2

Related disorders and traits[edit]

The following diseases and traits are related to genes located on chromosome 2:

Cytogenetic band[edit]

G-banding ideograms of human chromosome 2
G-banding ideogram of human chromosome 2 in resolution 850bphs.Band length in this diagram is proportional to base-pair length. This type of ideogram is generally used in genome browsers (e.g.Ensembl,UCSC Genome Browser).
G-banding patterns of human chromosome 2 in three different resolutions (400,[25]550[26]and 850[3]). Band length in this diagram is based on the ideograms from ISCN (2013).[27]This type of ideogram represents actual relative band length observed under a microscope at the different moments during themitotic process.[28]
G-bandsof human chromosome 2 in resolution 850 bphs[3]
Chr. Arm[29] Band[30] ISCN
start[31]
ISCN
stop[31]
Basepair
start
Basepair
stop
Stain[32] Density
2 p 25.3 0 388 1 4,400,000 gneg
2 p 25.2 388 566 4,400,001 6,900,000 gpos 50
2 p 25.1 566 954 6,900,001 12,000,000 gneg
2 p 24.3 954 1193 12,000,001 16,500,000 gpos 75
2 p 24.2 1193 1312 16,500,001 19,000,000 gneg
2 p 24.1 1312 1565 19,000,001 23,800,000 gpos 75
2 p 23.3 1565 1789 23,800,001 27,700,000 gneg
2 p 23.2 1789 1908 27,700,001 29,800,000 gpos 25
2 p 23.1 1908 2027 29,800,001 31,800,000 gneg
2 p 22.3 2027 2296 31,800,001 36,300,000 gpos 75
2 p 22.2 2296 2415 36,300,001 38,300,000 gneg
2 p 22.1 2415 2609 38,300,001 41,500,000 gpos 50
2 p 21 2609 2966 41,500,001 47,500,000 gneg
2 p 16.3 2966 3220 47,500,001 52,600,000 gpos 100
2 p 16.2 3220 3294 52,600,001 54,700,000 gneg
2 p 16.1 3294 3548 54,700,001 61,000,000 gpos 100
2 p 15 3548 3757 61,000,001 63,900,000 gneg
2 p 14 3757 3935 63,900,001 68,400,000 gpos 50
2 p 13.3 3935 4114 68,400,001 71,300,000 gneg
2 p 13.2 4114 4248 71,300,001 73,300,000 gpos 50
2 p 13.1 4248 4353 73,300,001 74,800,000 gneg
2 p 12 4353 4860 74,800,001 83,100,000 gpos 100
2 p 11.2 4860 5307 83,100,001 91,800,000 gneg
2 p 11.1 5307 5545 91,800,001 93,900,000 acen
2 q 11.1 5545 5724 93,900,001 96,000,000 acen
2 q 11.2 5724 6022 96,000,001 102,100,000 gneg
2 q 12.1 6022 6261 102,100,001 105,300,000 gpos 50
2 q 12.2 6261 6395 105,300,001 106,700,000 gneg
2 q 12.3 6395 6559 106,700,001 108,700,000 gpos 25
2 q 13 6559 6812 108,700,001 112,200,000 gneg
2 q 14.1 6812 7036 112,200,001 118,100,000 gpos 50
2 q 14.2 7036 7334 118,100,001 121,600,000 gneg
2 q 14.3 7334 7602 121,600,001 129,100,000 gpos 50
2 q 21.1 7602 7826 129,100,001 131,700,000 gneg
2 q 21.2 7826 8050 131,700,001 134,300,000 gpos 25
2 q 21.3 8050 8169 134,300,001 136,100,000 gneg
2 q 22.1 8169 8437 136,100,001 141,500,000 gpos 100
2 q 22.2 8437 8497 141,500,001 143,400,000 gneg
2 q 22.3 8497 8646 143,400,001 147,900,000 gpos 100
2 q 23.1 8646 8735 147,900,001 149,000,000 gneg
2 q 23.2 8735 8795 149,000,001 149,600,000 gpos 25
2 q 23.3 8795 9078 149,600,001 154,000,000 gneg
2 q 24.1 9078 9361 154,000,001 158,900,000 gpos 75
2 q 24.2 9361 9585 158,900,001 162,900,000 gneg
2 q 24.3 9585 9928 162,900,001 168,900,000 gpos 75
2 q 31.1 9928 10435 168,900,001 177,100,000 gneg
2 q 31.2 10435 10599 177,100,001 179,700,000 gpos 50
2 q 31.3 10599 10733 179,700,001 182,100,000 gneg
2 q 32.1 10733 11091 182,100,001 188,500,000 gpos 75
2 q 32.2 11091 11225 188,500,001 191,100,000 gneg
2 q 32.3 11225 11538 191,100,001 196,600,000 gpos 75
2 q 33.1 11538 11925 196,600,001 202,500,000 gneg
2 q 33.2 11925 12060 202,500,001 204,100,000 gpos 50
2 q 33.3 12060 12283 204,100,001 208,200,000 gneg
2 q 34 12283 12641 208,200,001 214,500,000 gpos 100
2 q 35 12641 13014 214,500,001 220,700,000 gneg
2 q 36.1 13014 13237 220,700,001 224,300,000 gpos 75
2 q 36.2 13237 13297 224,300,001 225,200,000 gneg
2 q 36.3 13297 13595 225,200,001 230,100,000 gpos 100
2 q 37.1 13595 13893 230,100,001 234,700,000 gneg
2 q 37.2 13893 13998 234,700,001 236,400,000 gpos 50
2 q 37.3 13998 14400 236,400,001 242,193,529 gneg

References[edit]

  1. ^ab"Search results – 2[CHR] AND" Homo sapiens "[Organism] AND (" has ccds "[Properties] AND alive[prop]) – Gene".NCBI.CCDS Release 20 forHomo sapiens.8 September 2016.Retrieved28 May2017.
  2. ^Tom Strachan; Andrew Read (2 April 2010).Human Molecular Genetics.Garland Science. p. 45.ISBN978-1-136-84407-2.
  3. ^abcGenome Decoration Page, NCBI.Ideogram data for Homo sapience (850 bphs, Assembly GRCh38.p3).Last update 2014-06-03. Retrieved 2017-04-26.
  4. ^Hillier;et al. (2005)."Generation and annotation of the DNAD sequences of human chromosomes 2 and 4".Nature.434(7034): 724–31.Bibcode:2005Natur.434..724H.doi:10.1038/nature03466.PMID15815621.
  5. ^Vega Homo sapiens genome browser: HoxD cluster on Chromosome 2
  6. ^abMeyer M, Kircher M, Gansauge MT, Li H, Racimo F, Mallick S, et al. (October 2012)."A high-coverage genome sequence from an archaic Denisovan individual".Science.338(6104): 222–6.Bibcode:2012Sci...338..222M.doi:10.1126/science.1224344.PMC3617501.PMID22936568.
  7. ^It has been hypothesized that Human Chromosome 2 is a fusion of two ancestral chromosomesby Alec MacAndrew; accessed 18 May 2006.
  8. ^"Chromosome 2 in the Great Apes – YouTube".Archivedfrom the original on 21 December 2021.Retrieved24 July2020– via YouTube.
  9. ^"Chromosome 2--Re-Upload – YouTube".Archivedfrom the original on 21 December 2021.Retrieved24 July2020– via YouTube.
  10. ^Yunis and Prakash; Prakash, O (1982). "The origin of man: a chromosomal pictorial legacy".Science.215(4539): 1525–30.Bibcode:1982Sci...215.1525Y.doi:10.1126/science.7063861.PMID7063861.
  11. ^Human and Ape ChromosomesArchived6 September 2017 at theWayback Machine;accessed 8 September 2007.
  12. ^Avarello; et al. (1992). "Evidence for an ancestral alphoid domain on the long arm of human chromosome 2".Human Genetics.89(2): 247–9.doi:10.1007/BF00217134.PMID1587535.S2CID1441285.
  13. ^abIjdo, Jacob W.; et al. (1991)."Origin of human chromosome 2: an ancestral telomere-telomere fusion".Proc. Natl. Acad. Sci. U.S.A.88(20): 9051–5.Bibcode:1991PNAS...88.9051I.doi:10.1073/pnas.88.20.9051.PMC52649.PMID1924367.
  14. ^Pertea M, Salzberg SL (2010)."Between a chicken and a grape: estimating the number of human genes".Genome Biol.11(5): 206.doi:10.1186/gb-2010-11-5-206.PMC2898077.PMID20441615.
  15. ^"Statistics & Downloads for chromosome 2".HUGO Gene Nomenclature Committee.12 May 2017. Archived fromthe originalon 29 June 2017.Retrieved19 May2017.
  16. ^"Chromosome 2: Chromosome summary – Homo sapiens".Ensembl Release 88.29 March 2017.Retrieved19 May2017.
  17. ^"Human chromosome 2: entries, gene names and cross-references to MIM".UniProt.28 February 2018.Retrieved16 March2018.
  18. ^"Search results – 2[CHR] AND" Homo sapiens "[Organism] AND (" genetype protein coding "[Properties] AND alive[prop]) – Gene".NCBI.19 May 2017.Retrieved20 May2017.
  19. ^"Search results – 2[CHR] AND" Homo sapiens "[Organism] AND ( (" genetype miscrna "[Properties] OR" genetype ncrna "[Properties] OR" genetype rrna "[Properties] OR" genetype trna "[Properties] OR" genetype scrna "[Properties] OR" genetype snrna "[Properties] OR" genetype snorna "[Properties]) NOT" genetype protein coding "[Properties] AND alive[prop]) – Gene".NCBI.19 May 2017.Retrieved20 May2017.
  20. ^"Search results – 2[CHR] AND" Homo sapiens "[Organism] AND (" genetype pseudo "[Properties] AND alive[prop]) – Gene".NCBI.19 May 2017.Retrieved20 May2017.
  21. ^Swaminathan, Nikhil."Largest Ever Autism Study Identifies Two Genetic Culprits".Scientific American.Retrieved25 January2018.
  22. ^"Cleft Chin | AncestryDNA® Traits Learning Hub".ancestry.com.Retrieved22 February2022.
  23. ^Shelihan, I.; Ehresmann, S.; Magnani, C.; Forzano, F.; Baldo, C.; Brunetti-Pierri, N.; Campeau, P. M. (2018)."Lowry-Wood syndrome: Further evidence of association with RNU4ATAC, and correlation between genotype and phenotype".Human Genetics.137(11–12): 905–909.doi:10.1007/s00439-018-1950-8.PMID30368667.S2CID53079178.
  24. ^"Photic Sneeze Reflex | AncestryDNA® Traits Learning Hub".ancestry.com.Retrieved22 February2022.
  25. ^Genome Decoration Page, NCBI.Ideogram data for Homo sapience (400 bphs, Assembly GRCh38.p3).Last update 2014-03-04. Retrieved 2017-04-26.
  26. ^Genome Decoration Page, NCBI.Ideogram data for Homo sapience (550 bphs, Assembly GRCh38.p3).Last update 2015-08-11. Retrieved 2017-04-26.
  27. ^International Standing Committee on Human Cytogenetic Nomenclature (2013).ISCN 2013: An International System for Human Cytogenetic Nomenclature (2013).Karger Medical and Scientific Publishers.ISBN978-3-318-02253-7.
  28. ^Sethakulvichai, W.; Manitpornsut, S.; Wiboonrat, M.; Lilakiatsakun, W.; Assawamakin, A.; Tongsima, S. (2012). "Estimation of band level resolutions of human chromosome images".2012 Ninth International Conference on Computer Science and Software Engineering (JCSSE).pp. 276–282.doi:10.1109/JCSSE.2012.6261965.ISBN978-1-4673-1921-8.S2CID16666470.
  29. ^"p":Short arm;"q":Long arm.
  30. ^For cytogenetic banding nomenclature, see articlelocus.
  31. ^abThese values (ISCN start/stop) are based on the length of bands/ideograms from the ISCN book, An International System for Human Cytogenetic Nomenclature (2013).Arbitrary unit.
  32. ^gpos:Region which is positively stained byG banding,generallyAT-richand gene poor;gneg:Region which is negatively stained by G banding, generallyCG-richand gene rich;acenCentromere.var:Variable region;stalk:Stalk.

External links[edit]

  • National Institutes of Health."Chromosome 2".Genetics Home Reference.Archived fromthe originalon 9 March 2016.Retrieved6 May2017.
  • "Chromosome 2".Human Genome Project Information Archive 1990–2003.Retrieved6 May2017.