In human genetics, the Y-chromosomal most recent common ancestor (Y-MRCA, informally known as Y-chromosomal Adam) is the patrilineal most recent common... 31 KB (3,979 words) - 07:37, 27 April 2024 |
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... 29 KB (3,396 words) - 03:47, 15 April 2024 |
Y-chromosomal Aaron is the name given to the hypothesized most recent common ancestor of the patrilineal Jewish priestly caste known as Kohanim (singular... 44 KB (5,148 words) - 19:52, 18 March 2024 |
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... 5 KB (595 words) - 05:15, 12 December 2023 |
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... 63 KB (5,326 words) - 11:41, 29 April 2024 |
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... 87 KB (9,902 words) - 15:06, 5 March 2024 |
A chromosomal abnormality, chromosomal anomaly, chromosomal aberration, chromosomal mutation, or chromosomal disorder is a missing, extra, or irregular... 18 KB (1,966 words) - 10:36, 29 April 2024 |
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... 63 KB (7,033 words) - 00:38, 30 April 2024 |
Sex-determination system (section Chromosomal systems) two of the same kind of sex chromosome (XX), while males have two distinct sex chromosomes (XY). The X and Y sex chromosomes are different in shape and... 44 KB (4,946 words) - 05:24, 27 April 2024 |
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... 36 KB (3,319 words) - 18:26, 4 April 2024 |
Haplogroup R, or R-M207, is a Y-chromosome DNA haplogroup. It is both numerous and widespread amongst modern populations. Some descendant subclades have... 33 KB (3,237 words) - 00:14, 25 April 2024 |
Autosome (redirect from Autosomal chromosome) By contrast, the allosome pair consists of two X chromosomes in females or one X and one Y chromosome in males. Unusual combinations of XYY, XXY, XXX,... 11 KB (1,092 words) - 16:51, 14 October 2023 |
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... 2 KB (189 words) - 05:24, 12 April 2022 |
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... 93 KB (3,936 words) - 08:45, 21 April 2024 |
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... 56 KB (6,154 words) - 21:37, 18 April 2024 |
The Y Chromosome Consortium (YCC) was a collection of scientists who worked toward the understanding of human Y chromosomal phylogenetics and evolution... 3 KB (198 words) - 22:30, 28 February 2024 |
Haplogroup E-M215 (redirect from Haplogroup E3b (Y-DNA)) E-M215 or E1b1b, formely 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... 74 KB (6,779 words) - 13:46, 22 April 2024 |
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... 19 KB (2,280 words) - 16:04, 4 January 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... 156 KB (12,593 words) - 18:34, 16 April 2024 |
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... 87 KB (3,680 words) - 15:48, 16 April 2024 |
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... 125 KB (3,037 words) - 06:24, 22 April 2024 |
Haplogroup R1b (redirect from Y-chromosome haplogroup R1b) Haplogroup R1b (R-M343), previously known as Hg1 and Eu18, is a human Y-chromosome haplogroup. It is the most frequently occurring paternal lineage in Western... 87 KB (8,240 words) - 17:59, 26 April 2024 |
Genealogical DNA test (redirect from Y-DNA testing) genealogical research: autosomal (atDNA), mitochondrial (mtDNA), and Y-chromosome (Y-DNA). Autosomal tests may result in a large number of DNA matches to... 69 KB (8,002 words) - 15:17, 6 April 2024 |