EBOOK

Unusual Traits

Tongue Rolling, Special Taste Sensors, and More

Buffy SilvermanSeries: Lightning Bolt Books ™ - What Traits Are in Your Genes?
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Pages
32
Year
2012
Language
English
Publisher
Lerner Publishing Group

About

Can you roll your tongue into a U-shape? Some people can. But other people's tongues stay flat. What determines whether you can roll your tongue?

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    Buffy Silvermanauthor

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