Darwin Day 2015 Questions: #4 How does evolution explain homosexuality?
Richard Dawkins answers your questions about evolution in honor of Darwin Day 2015. “For things such as homosexuality, which people who argue against evolution ceaselessly will insist, there...
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(Music playing) Richard Dawkins: "My question is, for things such as homosexuality, which people who argue against evolution ceaselessly will insist, there appears to be no linear Darwinian reason to possess this trait." Now that's a very common question; it's one of the commonest questions I get asked. How can it be that homosexuality gets passed on from generation to generation. Why doesn't it just disappear? Why doesn't natural selection remove it? Well, the first thing to say is that it's only a problem if it's a genetically inherited thing. And you need evidence for that. And the evidence for that comes from twin studies. If you take monozygotic twins, identical twins, and you find, for anything - it doesn...
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(Music playing) Richard Dawkins: "My question is, for things such as homosexuality, which people who argue against evolution ceaselessly will insist, there appears to be no linear Darwinian reason to possess this trait." Now that's a very common question; it's one of the commonest questions I get asked. How can it be that homosexuality gets passed on from generation to generation. Why doesn't it just disappear? Why doesn't natural selection remove it? Well, the first thing to say is that it's only a problem if it's a genetically inherited thing. And you need evidence for that. And the evidence for that comes from twin studies. If you take monozygotic twins, identical twins, and you find, for anything - it doesn...
