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chromosomes

How Nature Solved the Problem of Too Much DNA

16 Jun 2022

When you consider how babies are made, you bump up against a basic math problem. No need for calculus here, or even the mental gymnastics of carrying the one. It’s a problem of doubling.

Are Cat Breeders Sexist?

16 Jun 2022

Black, white, and orange – the signature colours of a calico cat. Subtract the white and you’ve got tortoise shell colouring. But there is gender colour discrimination at play: calico and tortoise...

Identical Twins Are Not Identical

21 Jan 2021

There is a common parental misunderstanding that arises when the term “identical twins” is paraded around. Identical twins are known scientifically as “monozygotic twins.” This Scrabble winner of a...

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