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In humans, the ability to roll the tongue is a dominant trait. The inability to roll the tongue is a recessive trait. If two individuals homozygous recessive for this trait have a child, what is the chance that the child will be able to roll his tongue? 50% 25% 100% 0%

User Ales
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1 Answer

5 votes
Do a punnet square, it will equal 0%
User Damoiskii
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