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Posts tagged boy

June 16, 2014

 

A Lego skeleton splashes down in water

A Skeleton Is Worth A Thousand Words

It's tricky business, but there's a lot you can figure out from a human skeleton if you know what you're doing.

March 3, 2011

 

chromosomes

How Chromosomes Vary Across The Animal Kingdom

In mammals, the sex of a baby is determined by the chromosomes it inherits from its parents. But, the combination an animal inherits can be quite different.

March 2, 2011

 

unisex bathroom sign

How To Define “Male” And “Female”

Sure, there are physical differences but outside of mammals, the terms "male" and "female" take on different meanings.

March 31, 2005

 

The Odds of It Being a Boy

What are the odds of giving birth to a boy? Learn more on this Moment of Science.

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