The secret to a long life? Matching sex chromosomes

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Sex chromosomes influence physical differences between male and female animals, such as feather patterns in mandarin ducks.
Chris Schenk/Minden Pictures
By Erin MalsburyMar. 3, 2020 , 7:01 PM
When 109-year-old Jessie Gallan was asked about the secret to h… [+3875 chars]Source

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