Both parents can roll their tongue, yet their child cannot. What must the parent's

1 answer:

jeka943 years ago

3 0

The answer is C Heterozygous

Explanation: the inability to roll your tongue is a recessive trait. Since both parents are heterozygous, they carry that recessive gene, so their child will have a 25% chance of having that recessive trait; and therefore, unable to roll their tongue.

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