Sexy male mice have competitive moms

Female mice allowed to live socially produce sons with more attractive scent

By Bethany Brookshire, 17:17 PM November 19, 2013

What makes a male mouse a stud? Allowing his mom to have a social life. A new study shows that parental experience can affect the reproductive abilities of offspring without any change to the DNA. Instead, quicker changes are involved, adding another finding that may be attributed to the growing field of epigenetics.

“It wasn’t what we set out to discover,” says study coauthor Wayne Potts of the University of Utah. Instead, he and colleagues were interested in why female mice produce sexually ...

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