Is the Y Chromosome Disappearing?
Scientists know that the Y chromosome has been shrinking in size over millions of years, but recent studies suggest that it has more important genes, besides the ones that cause biological...
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What makes boys and girls different? It can be a really complicated question, but when it comes down to biological sex in humans, the difference is in the Y chromosome. We know that the Y chromosome is important but scientists also know that it's been shrinking in size over millions of years, and some even think that it might eventually disappear. But recent studies on the Y chromosome in a lot of mammals suggest that it has more important genes, besides the ones that contribute to "male-ness." Chromosomes are bundles of DNA and other stuff that are stored in the nucleus of your cells. Most people have 23 pairs of chromosomes, one set from mom, and one set from dad. 22 of these pairs look the same in all humans, but the last pair is known a...
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What makes boys and girls different? It can be a really complicated question, but when it comes down to biological sex in humans, the difference is in the Y chromosome. We know that the Y chromosome is important but scientists also know that it's been shrinking in size over millions of years, and some even think that it might eventually disappear. But recent studies on the Y chromosome in a lot of mammals suggest that it has more important genes, besides the ones that contribute to "male-ness." Chromosomes are bundles of DNA and other stuff that are stored in the nucleus of your cells. Most people have 23 pairs of chromosomes, one set from mom, and one set from dad. 22 of these pairs look the same in all humans, but the last pair is known a...
