#People with Y chromosomes have shorter lifespans thanks to ‘toxic’ DNA
“#People with Y chromosomes have shorter lifespans thanks to ‘toxic’ DNA”
Scientists at UC Berkeley may have figured out why humans and other species with Y chromosomes tend to have shorter lifespans than their XX-chromosome counterparts. According to their research, our DNA is toxic. What? Traditionally delineated into male and female, many species can be split into two majority groups consisting of those with XY chromosomes and those with XX chromosomes. Scientists have long suspected that either the presence of the Y chromosome or the absence of the X was responsible for an observed difference in lifespans between the two DNA types. As it turns out, certain properties of the Y…
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