Aging men often lose the Y chromosome in a growing number of their cells—and it may be far more dangerous than once believed.

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Scientists now believe the Y chromosome, found in males, plays a bigger role in health and aging than once thought. Earlier, ...

Autism has a significant and enduring sex bias, with roughly four boys diagnosed for every girl. For many years, experts have believed this disparity arises primarily from diagnostic inequities ...

Background Chromosome 19 is the most gene-dense chromosome in the human genome, with a high frequency of segmental duplications that predispose it to genomic rearrangements. While deletions of ...