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In human beings, ability to curl the tongue into a u- shaped trough is a heritable trait. "curlers" always have at least one curler parent, but "noncurlers" may occur in families where one or both parents are curlers. Using c and c to symbolize this trait, what is the genotype of a noncurler?.

Respuesta :

Genotype cc describes a noncurler. Being a "curler" might be linked to a dominant allele, in this case, "C," if curlers always have at least one other curler parent.

Therefore, the trait of "noncurler" can be recessive. If both parents are heterozygous (Cc), a noncurler has a 25% chance of having either one or both curling parents, which is consistent with a recessive inheritance. Additionally, there is a 50% chance that ob will be a "noncurler" if one parent is homozygous for c and the other is heterozygous for c (Cc x cc).

What does the term "recessive inheritance" mean?

Using autosomal recessive inheritance, a genetic disorder or trait can be passed from parent to offspring.

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