They also found that after the extra chromosome was removed, genes tied to nervous system development were more active and ...

Old female mice had more PLP1 in the hippocampus than old male mice, suggesting that the extra PLP1 from the second X chromosome had made a difference. To test whether PLP1 could explain the ...

The accurate distribution of chromosomes in an oocyte is essential for the correct transmission of genetic information to the ...

Understanding how the extra X chromosome contributes to longevity and cognitive health could potentially lead to therapeutic approaches that mimic these protective effects in both men and women.

Why do autoimmune diseases like lupus preferentially affect women? In an article published in the journal Science Advances, scientists show that in female mice, the second X chromosome, when not ...

There are two kinds of sex chromosomes: X and Y. Sex chromosomes decide whether you’re biologically male (XY) or female (XX), but they don’t define your gender. You may be male (XY) but ...

Calico Cats usually have beautiful and unique tri-color patterns. They are almost exclusively female cats, with exceptions under rare genetic conditions, as they generally have two X chromosomes.

Reporting on their findings in Nature, “The maternal X chromosome affects cognition and brain aging in female mice,” co-senior author Dubal and colleagues concluded, “Understanding how X m ...

Olympics IOC president says chromosome testing ‘scientifically not true anymore' in determining man and woman Bach stood by the IOC's initial stance on boxers Imane Khelif and Lin Yu-ting ...

The planned changes include reinstating a version of chromosome testing that was discontinued in the 1990s. By The Associated Press • Published March 25, 2025 • Updated on March 25, 2025 at 2: ...

Female biology – two X chromosomes and ovaries – extends life and protects mice from aging. Dec 18, 2018. Blood factor can turn back time in the aging brain. Aug 16, 2023.