News tagged with x chromosome

Sex chromosomes—why the Y genes matter

Several genes have been lost from the Y chromosome in humans and other mammals, according to research published in the open access journal Genome Biology. The study shows that essential Y genes are rescue ...

date20 hours ago in Biotechnology
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Scientists unveil sex-linked control of genes

Many proteins interact with an RNA molecule called Xist to coat and silence one X chromosome in every female cell. Learning how genes are targeted and silenced may help researchers studying sex-specific diseases.

dateApr 03, 2015 in Biotechnology
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Undoing a hairpin doubles gene activity

Male fruit flies have one X chromosome per cell, females have two. So genes on the male X must work twice as hard to produce the same amount of protein as its female counterparts. An LMU team has found a ...

dateJul 29, 2013 in Biotechnology
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Sex is 'nothing but trouble', geneticist says

(Phys.org) —Sex determining genes in marsupials have shed some light on how the Y chromosome, which determines the male sex in humans, will quickly degenerate and eventually disappear, according to a world-renowned evolutionary ...

dateApr 03, 2013 in Biotechnology
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Survival of the females

It is well known that many mammals are able to adjust the ratio of male and female young depending on the surrounding conditions at the time of conception. A recent study in the group of Christine Aurich ...

dateDec 18, 2012 in Plants & Animals
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