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Burka [1]
3 years ago
6

Determine the results from a cross of a mother who is heterozygous for tongue rolling with a father who is homozygous recessive

Biology
1 answer:
grandymaker [24]3 years ago
4 0
In order to determine the results from a father who is homozygous recessive for the tongue rolling trait, T, and a mother who is heterozygous for the trait, a Punett square can be used to determine both the resulting genotype (allele combination) and phenotype (observable characteristics). The results are 50% Tt and 50% tt. Thus, the cross would result to 1:1 ratio of tongue rolling to non-tongue rolling offsprings. 
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