The new study uncovers a potential factor that may shape the X chromosome's influence. Related: 1 in 500 men may carry an ...

In doing so, the scientists realized that Mrs. Morgan was right - the fly's cells did indeed appear to contain an extra chromosome. Specifically, these cells contained two X chromosomes as well as ...

Texas Rangers first baseman Jake Burger poses at the team’s awards dinner Friday, Jan. 17, 2025, in Arlington, Texas, with ...

Based on his observations, Henking hypothesized that this extra chromosome, the X element, must play some role in determining the sex of insects. However, he was unable to gather any direct ...

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Now a team of researchers at Kyoto University has found a key to how these worm chromosomes measure their lengths. They did so by studying extra-long chromosomes with two or more crossovers.

For example, one healthy woman had 70 cells with extra copies of chromosome 1 and 73, as well as missing copies of chromosome 16. The most frequent chromosome changes in these healthy women were ...

The clinical name for Down syndrome is trisomy 21, a condition in which a person is born with an extra chromosome, causing ...

Female mammals typically carry two X chromosomes — one from each parent — and a new study suggests that the maternal X is linked to faster brain aging. The X chromosome passed from mom to ...