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What does it mean if you have an extra Y chromosome 2024?
XYY
extra Y chromosome
Questioner:Ethan Davis 2023-04-20 18:06:02
The most authoritative answer in 2024
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Harper Woods——Studied at the University of Oxford, Lives in Oxford, UK.
XYY syndrome is a genetic condition that occurs when a male has an
extra copy of the
Y chromosome in each of their cells (
XYY). Sometimes, this mutation is only present in some cells. Males with
XYY syndrome
have 47
chromosomes because of the
extra Y chromosome.
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