Scientists have fully sequenced the Y chromosome for the first time, uncovering information that could have implications for the study of male infertility and other health problems.
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The first attempt to determine the building blocks of our genetic code took place 20 years ago, but there were still significant gaps left in the sequences of all 23 pairs of human chromosomes. Those blanks were largely filled in last year by an international group of 100 scientists called the Telomere-to-Telomere Consortium.
“However, it has been questioned whether loss of the Y chromosome is a biomarker of biological aging or whether loss of the Y chromosome has a direct effect on the health of men,” he said. “Recent research provides strong evidence to show that the effect is direct.” Y chromosome is unusually repetitive The Y chromosome was a particularly hard nut to crack because it is unusually repetitive.
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