Scientists identify genetic mechanism involved in how females inherit traits
As many know, females have two X chromosome while males have one X and one Y chromosome.
Cell & Microbiology
Feb 20, 2019
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News tagged with x chromosome
Selfish genes can act as both makers, breakers of species
A selfish streak in genes known to drive species apart might occasionally bring them closer together, says a new study from the University of Nebraska-Lincoln and University of Rochester.
Plants & Animals
Dec 20, 2018
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21
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 rescued by relocating to ...
Biotechnology
May 27, 2015
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1291
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.
Biotechnology
Apr 3, 2015
26
208
The battle of Xs: MOF complexes mediate genetic fair play
Sexually dimorphic animals are often distinguished by unequal number of the X-chromosomes. While males have only one X chromosome, females have two copies, prompting an evolutionary pressure for compensatory mechanisms against ...
Cell & Microbiology
Jun 19, 2014
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Xist and calico cats: How extra genes on X chromosomes get turned off
Females carry two copies of the X chromosome which—unlike the male's gene-poor Y chromosome—are home to 1000 genes crucial to development. So how does the developing female embryo inactivate duplicate genes along the ...
Biotechnology
Oct 29, 2013
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Evolution of diverse sex-determining mechanisms in mammals
Scientists historically have argued that evolution proceeds through gradual development of traits. But how can incremental changes apply to the binary switch between two sexes, male or female? Researchers at Case Western ...
Evolution
Jul 29, 2013
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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 new switch involved ...
Biotechnology
Jul 29, 2013
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Molecular monkey arranges X-chromosome activation
X chromosomes are very special genetic material. They differ in number between men and women. To achieve equality between sexes, one out of two X chromosomes in women is silenced. In flies, the opposite happens: in male flies, ...
Cell & Microbiology
Jul 25, 2013
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Sex chromosome shocker: The 'female' X a key contributor to sperm production
Painstaking new analysis of the genetic sequence of the X chromosome—long perceived as the "female" counterpart to the male-associated Y chromosome—reveals that large portions of the X have evolved to play a specialized ...
Biotechnology
Jul 21, 2013
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