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Y chromosome


The Y chromosome is the sex-determining chromosome in most mammals, including humans. In mammals, it contains the gene SRY, which triggers testis development, thus determining sex. The human Y chromosome is composed of about...
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The Y chromosome spans about 58 million base pairs (the building blocks of DNA) ... Genes on the Y chromosome are among the estimated 20,000 to 25,000 total genes ...
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Y chromosome infertility is a condition that affects the production of sperm, ... Y chromosome infertility occurs in approximately 1 in 2,000 to 1 in 3,000 males ...
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Y-chromosome or Y chromosome ( ) n. The sex chromosome associated with male characteristics in mammals, not occurring in females and occurring with
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science magazine nature, with research papers, science news articles, science jobs and other nature ... The human Y chromosome, in the light of evolution ...
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What makes a man a man? In a new study, researchers say that there is a dramatic loss of genes from the human Y chromosome that could eventually lead to its complete ...
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Encyclopedia article about Y chromosome. Information about Y chromosome in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary.
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The presence of the Y chromosome is decisive for unleashing the developmental ... The Y Chromosome ... 95% of the Y chromosome lies between the pseudoautosomal ...
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DNA Genealogy: Extend your concept of family through DNA testing. ... What Is Y-DNA (Y chromosome DNA)? How is Y-DNA Tested and Reported? ...
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In mammals, the Y chromosome contains the gene that triggers embryonic development as a male. ... process 95% of the human Y chromosome is unable to recombine. ...
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The Y chromosome and the origin of all of us (men)". Science 268: 1141. ... Y chromosome. Human Y-chromosome DNA haplogroups. Single-origin hypothesis ...
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But the human Y chromosome, at the same time, plays a central role in human ... Thus, mammalian embryos with a Y chromosome develop testes, while those without ...
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Cheer up, guys. Your favorite chromosome is turning out to be not just an X with ... Add to all this the Y's distinction as the only chromosome that shows up in just ...
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The Y chromosome is the sex-determining chromosome in humans and most other mammals. ... In mammals, the Y chromosome contains the gene that triggers embryonic ...
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A team of 40 researchers has finished sequencing the Y chromosome, the ... In the case of the human Y chromosome—and likely those of ...
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Y CHROMOSOME-SPECIFIC MARKERS ... Between X and Y chromosomes, exchange is ... (the nonrecombining portion or NRY) the Y chromosome is male-specific and ...
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Y chromosome summary with 15 pages of encyclopedia entries, essays, summaries, research information, and more. ... Indian Mtdna, y Chromosome Genetic Data, and ...
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The Y chromosome is one of the two sex chromosomes in humans and most other mammals. ... In humans, the Y chromosome spans 23 million base pairs (the building ...
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on the Y chromosome, the defining biological determinant that makes males male. ... The Y chromosome long has been the whipping post for all stereotypical male ...
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A single-source launchpad to information about each human chromosome. ... Chromosome: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 X Y ...
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