Rebecca Sear

rebeccasusansear@gmail.com
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Rebecca Sear

Dr. Rebecca Sear

Demographer and Anthropologist

rebeccasusansear@gmail.com
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Not all twins are identical, and that’s been an evolutionary puzzle until now 11 Jun 2020

When a mother gives birth to twins, the offspring are not always identical or even the same gender. Known as fraternal twins, they represent a longstanding evolutionary puzzle.

https://theconversation.com/not-all-twins-are-identical-and-thats-been-an-evolutionary-puzzle-until-now-138209

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