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New identical twin research upends the nature vs. nurture debate
For more than a century, scientists have debated whether intelligence is mostly a product of nature or nurture. Identical ...
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Do identical twins have the same DNA?
It makes sense that identical twins would have the exact same DNA, right? Spoiler alert: Not always! Here's why. Identical twins (also called monozygotic or MZ twins) are conceived when a single sperm ...
The mom was 20 weeks pregnant when she discovered that her twins, Graylen and Chaysen, had twin-to-twin transfusion syndrome.
If you’re newly pregnant with twins, you may already be wondering if you’ll be welcoming two boys, two girls, or one of each into your family in a few months' time. But what about if you're having ...
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