Y chromosome - Wikipedia
网页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 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 Infographic - National Human Genome Research ...
网页2024年5月28日 · Among 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 Is Vanishing. A New Sex Gene May Be The ...
网页The 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 - MedlinePlus
网页Epub 2007 Feb 24. The Y chromosome spans more than 59 million building blocks of DNA (base pairs) and represents almost 2 percent of the total DNA in cells. Learn about health implications of genetic changes.
The Y chromosome’s genetic puzzle is finally complete
网页2023年8月23日 · The human Y chromosome, responsible for determining male sex, finally has gotten an end-to-end examination. Researchers sequenced the chromosome, which contains many genes involved in sperm ...
Y Chromosome - National Human Genome Research Institute
网页2023年8月23日 · The Y chromosome is one of two human sex chromosomes, the other being the X chromosome. When researchers completed the first human genome sequence 20 years ago, gaps were left in the sequences of every chromosome, and in the race to sequence the human genome, the Y chromosome got left in the dust.
The Y chromosome: beyond gender determination
网页2014年5月30日 · The X and Y chromosomes, also known as the sex chromosomes, determine the biological sex of an individual: females inherit an X chromosome from the father for a XX genotype, while males inherit a Y chromosome from the father for a XY genotype (mothers only pass on X chromosomes).