(PhysOrg.com) -- Move over, Y chromosome - it's time X got some attention. In the first evolutionary study of the chromosome associated with being female, University of California, Berkeley, biologist Doris Bachtrog and her ...
Cell & Microbiology
Apr 16, 2009
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The cells of female mammals have a dosage problem, because they have twice as many X chromosomes as are needed in the body. Consequently, one of them is randomly selected and switched off already during early embryonic development. ...
Molecular & Computational biology
Jan 5, 2022
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Scientists at the Francis Crick Institute, in collaboration with University of Kent, have used gene editing technology to create female-only and male-only mice litters with 100% efficiency.
Plants & Animals
Dec 3, 2021
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An important player in the healthy development of female embryos turns out also to play a key role in regulating the behavior of chromosome loops and gene expression in both sexes, according to a new study by researchers ...
Biotechnology
Dec 1, 2021
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Threads or earphone cables placed in tight spaces get easily tangled. On the contrary, our body's long and loose DNA packs into rod-shaped chromosomes one-millionth its size when the cell divides. If cell division occurs ...
Molecular & Computational biology
Nov 29, 2021
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Researchers from Tokyo Metropolitan University have identified unifying features in the early evolution of X and Y chromosomes. Newly evolved sex chromosomes in three fruit fly species showed the same genetic compensation ...
Evolution
Nov 15, 2021
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In one of the mysteries of mammalian development, every cell in the early female embryo shuts down one of its two copies of the X chromosome, leaving just one functional. For years, the mechanics behind this X chromosome ...
Cell & Microbiology
Nov 12, 2021
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The human genome is littered with selfish genetic elements, which do not seem to benefit their hosts, but instead seek only to propagate themselves.
Evolution
Nov 11, 2021
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Many human diseases can differ between males and females in their prevalence, manifestation, severity or age of onset. Examples include Lupus, where more than 80% of patients are females; Alzheimer's disease, where females ...
Molecular & Computational biology
Sep 8, 2021
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Fruit flies have found at least two solutions to the problem of sorting their sex chromosomes: a matter of life and death.
Evolution
Jun 18, 2021
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