The Y chromosome is one of two sex chromosomes in therian mammals and other organisms. Along with the X chromosome, it is part of the XY sex-determination...
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In human genetics, the Y-chromosomal most recent common ancestor (Y-MRCA, informally known as Y-chromosomal Adam) is the patrilineal most recent common...
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XY sex-determination system (redirect from X and Y chromosomes)
two different kinds of sex chromosomes (XY), and are called the heterogametic sex. In humans, the presence of the Y chromosome is responsible for triggering...
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Y-chromosome DNA haplogroup is a haplogroup defined by mutations in the non-recombining portions of DNA from the male-specific Y chromosome (called Y-DNA)...
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Y chromosome microdeletion (YCM) is a family of genetic disorders caused by missing genes in the Y chromosome. Many men with YCM exhibit no symptoms and...
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Y-chromosomal Aaron is the name given to the hypothesized most recent common ancestor of the patrilineal Jewish priestly caste known as Kohanim (singular...
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their chromosomal arms. The 23rd pair of chromosomes are called allosomes. These consist of two X chromosomes in females, and an X chromosome and a Y chromosome...
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system. The X chromosome was named for its unique properties by early researchers, which resulted in the naming of its counterpart Y chromosome, for the next...
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XYY syndrome (redirect from Extra Y chromosome)
syndrome, is an aneuploid genetic condition in which a male has an extra Y chromosome. There are usually few symptoms. These may include being taller than...
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Secondary chromosome Sex-determination system XY sex-determination system X-chromosome X-inactivation Y-chromosome Y-chromosomal Aaron Y-chromosomal Adam ZO...
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Haplogroup J-M304, also known as J, is a human Y-chromosome DNA haplogroup. It is believed to have evolved in Western Asia. The clade spread from there...
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A chromosomal abnormality, chromosomal anomaly, chromosomal aberration, chromosomal mutation, or chromosomal disorder is a missing, extra, or irregular...
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Sex (redirect from Chromosomal sex)
male usually carries an X and a Y chromosome (XY), and the female usually carries two X chromosomes (XX). Other chromosomal sex-determination systems in...
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ZW sex chromosomes of birds and lacks the SRY gene. The platypus has sex chromosomes X 1 , X 2 , X 3 , X 4 , X 5 , Y 1 , Y 2 , Y 3 , Y 4 , Y 5 {\displaystyle...
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Haplogroup A is a human Y-chromosome DNA haplogroup, which includes all living human Y chromosomes. Bearers of extant sub-clades of haplogroup A are almost...
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Haplogroup (section Human Y-chromosome DNA haplogroups)
Y chromosomes are male-specific sex chromosomes; nearly all humans that possess a Y chromosome will be morphologically male. Although Y chromosomes are...
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located on the Y chromosome. It is a form of sex linkage. Y linkage can be difficult to detect. This is partly because the Y chromosome is small and contains...
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human Y-chromosome DNA haplogroups found in populations around the world. Y-DNA haplogroups by ethnic group Y-DNA haplogroups in populations of Europe Y-DNA...
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Haplogroup R, or R-M207, is a Y-chromosome DNA haplogroup. It is both numerous and widespread amongst modern populations. Some descendant subclades have...
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Y-DNA haplogroups in populations of Europe are haplogroups of the male Y-chromosome found in European populations. The table below shows the human Y-chromosome...
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Autosome (redirect from Autosomal chromosome)
activating the SOX9 gene on chromosome 17, so mutations of the SOX9 gene can cause humans with an ordinary Y chromosome to develop as females. All human...
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Y-DNA haplogroups in populations of South Asia are haplogroups of the male Y-chromosome found in South Asian populations. South Asia, located on the crossroads...
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Haplogroup E-M215 (redirect from Haplogroup E3b (Y-DNA))
E-M215 or E1b1b, formerly known as E3b, is a major human Y-chromosome DNA haplogroup. E-M215 has two basal branches, E-M35 and E-M281. E-M35 is primarily...
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Sex chromosome anomalies belong to a group of genetic conditions that are caused or affected by the loss, damage or addition of one or both sex chromosomes...
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ZW sex-determination system (redirect from Z chromosome)
eventually developed into the respective sex chromosomes once the recombination between the chromosomes (X and Y or Z and W) was suppressed. The platypus...
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and Y-Chromosome Variation in the Caucasus Archived 2007-11-10 at the Wayback Machine Although the chart here says J, this group has mainly only J2 "Y-chromosome...
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David C. Page (section Mapping the Y chromosome)
Institute (HHMI) investigator. He is best known for his work on mapping the Y-chromosome and on its evolution in mammals and expression during development. Page...
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Haplogroup H (Y-DNA), also known as H-L901/M2939, is a Y-chromosome haplogroup. The primary branch H1 (H-M69) and its subclades is one of the most predominant...
61 KB (5,446 words) - 22:44, 21 August 2024
Haplogroup R1a (redirect from Haplogroup R1a1 (Y-DNA))
Haplogroup R1a, or haplogroup R-M420, is a human Y-chromosome DNA haplogroup which is distributed in a large region in Eurasia, extending from Scandinavia...
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mysterious cataclysmic event simultaneously kills every mammal with a Y chromosome—except for Yorick Brown and his monkey–and follows him as he traverses...
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