Why
are the chances for a husband and
wife having either a boy or girl
50:50?
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Answer:
Seem like everyone you know is making the “It’s a boy!” announcement? It’s not just you—it’s statistics.
Since the 17th century, scientists have noticed a slightly tilted sex ratio at birth: 51 percent of babies born are boys. So why is that? A group of biologists decided to probe further, and published their findings in a research article.
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