BIOL10004 Lecture Notes - Lecture 32: Evolutionary Arms Race, Influenza, Influenza Vaccine
15 Aug 2018
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* females are extremely circumspect (cautious) about their mating partners females have a much greater investment in offspring than males, particularly in mammals. * t-shirt worn for 7 days straight then females ranked the t-shirts in terms of which odours they found attractive. * result - women preferred the t-shirts of men that were genetically dissimilar. * fertility in women declines around 50 years old with the end of menstruation (menopause) * only 3 species of mammals are known to undergo menopause. * does(cid:374)(cid:859)t (cid:373)ake se(cid:374)se fro(cid:373) a(cid:374) e(cid:448)olutio(cid:374)ary perspe(cid:272)ti(cid:448)e expect selection for use to be as fertile as possible. * females live quite a bit longer after menopause. * grandmothers are related to their grandchildren, and thus are likely to share some genes. * in evolutionary terms, successfully raising two grandchildren is roughly equivalent to raising a single child in context of frequency of genes being passed to the next generation.
