Science Junkie
'Female' Chromosome May Leave a Mark on Male Fertility
Behind every great man, the saying goes, there’s a great woman. And behind every sperm, there may be an X chromosome gene. In humans, the Y chromosome makes men, men, or so researchers have thought: It contains genes that are responsible for sex determination, male development, and male fertility.
But now a team has discovered that X—”the female chromosome”—could also play a significant role in maleness. It contains scores of genes that are active only in tissue destined to become sperm. The finding shakes up our ideas about how sex chromosomes influence gender and also suggests that at least some parts of the X chromosome are playing an unexpectedly dynamic role in evolution.
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EDIT: new source link here

'Female' Chromosome May Leave a Mark on Male Fertility

Behind every great man, the saying goes, there’s a great woman. And behind every sperm, there may be an X chromosome gene. In humans, the Y chromosome makes men, men, or so researchers have thought: It contains genes that are responsible for sex determination, male development, and male fertility.

But now a team has discovered that X—”the female chromosome”—could also play a significant role in maleness. It contains scores of genes that are active only in tissue destined to become sperm. The finding shakes up our ideas about how sex chromosomes influence gender and also suggests that at least some parts of the X chromosome are playing an unexpectedly dynamic role in evolution.

Read more

EDIT: new source link here







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    ‘Female’ Chromosome May Leave a Mark on Male Fertility Behind every great man, the saying goes, there’s a great woman....
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