Biologists discover gene that may determine 'good' and 'bad' dads

Science Biology Evolution Biologists discover gene that may determine'good' and'bad' dads Social cues and surprising genetics may affect mammal fathers. Breakthroughs, discoveries, and DIY tips sent six days a week. Most mammals grow up in single parent homes. It's estimated that over 95 percent of the planet's nearly 6,000 known mammalian species rely almost exclusively on mothers to nurture and raise their offspring. But even when dads stick around, it's not always smooth sailing.