Unusual Traits
Tongue Rolling, Special Taste Sensors, and More
From the Series Lightning Bolt Books ® — What Traits Are in Your Genes?
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?
| Format | Your Price | Add |
|---|---|---|
|
978-1-5415-0586-5
|
$32.99 | |
|
978-1-4677-1998-8
|
$39.99 | |
|
978-1-5124-7480-0
|
$39.99 | |
|
978-1-5124-4719-4
|
$6.99 |
