Humans
Semen has controlling power over female genes and behaviour
Seminal fluid alters gene expression in females, including humans. It can even alter behaviour in fruit flies, but does it do the same in women?
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Seminal fluid alters gene expression in females, including humans. It can even alter behaviour in fruit flies, but does it do the same in women?
The northern giant mouse lemur has the biggest balls of the primate world, compared to body size, and seems to have sex all the time, doing without mating seasons