Suppose The so-called "grandmother hypothesis", based on studies of African hunter-gatherer groups, suggests that infertile women are vital for successful child-rearing despite being unable to produce children themselves.
Can we infer that "There also exists something called the "grandfather hypothesis"."? Yes, no, or maybe?
Suppose The so-called "grandmother hypothesis", based on studies of African hunter-gatherer groups, suggests that infertile women are vital for successful child-rearing despite being unable to produce children themselves. Can we infer that "There also exists something called the "grandfather hypothesis"."? Yes, no, or maybe?