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Bookmark or Share- The Y Chromosome Is Vanishing. A New Sex Gene May Be The ... - ScienceAlertThe sex of human and other mammal babies is decided by a male-determining gene on the Y chromosome. But the human Y chromosome is degenerating and may disappear in a few million years, leading to our extinction unless we evolve a new sex gene.
- Y chromosome - WikipediaThe 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 system, in which the Y is the sex-determining chromosome because the presence of the Y chromosome causes offspring produced in sexual reproduction to be of male sex.
- Y Chromosome - The Definitive Guide - Biology DictionaryThe human Y chromosome is the smallest of all the chromosomes in humans. It contains 59 million nucleotides of DNA and represents about 2% of the total DNA in males. For context, the largest chromosome in humans (chromosome 1) contains 249 million nucleotides.
- Y Chromosome Infographic - National Human Genome Research InstituteAmong the 24 chromosomes that make up the human genome, the Y chromosome is unique for its highly repetitive structure. Scientists are studying the Y and its unusual features to better understand human health and disease.
- The Y chromosome: beyond gender determination - National Human Genome ...The presence or absence of the Y chromosome is critical because it contains the genes necessary to override the biological default - female development - and cause the development of the male reproductive system. Although the Y chromosome's role in sex determination is clear, research has shown that it is undergoing rapid evolutionary ...
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