Fit Dads Make Fit Kids—But Maybe Not in the Way You’d Think
Physical fitness can be passed from fathers to offspring through microRNAs found in sperm.
inheritance
I Didn't Get It from My Mama: Children with DNA almost exclusively from their dads
by Marina Watanabe
figures by Elayne Fivenson
Hours after giving birth, my sister sent a picture of her newborn baby to our family group text. In what I can only assume was a painkiller-induced haze, she wrote, “The baby looks exactly like…