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Helen [10]
3 years ago
9

If a person’s phenotype is that they cannot roll their tongue, what is their only possible genotype?

Biology
1 answer:
Sauron [17]3 years ago
4 0

Uhh I'm really not sure if not rolling the tongue is dominant or recessive, but judging by the fact that you said their "only possible" genotype, I'm assuming it's homozygous recessive

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