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Marina86 [1]
3 years ago
11

Attached earlobes are a recessive trait in humans. In the tree below, people with attached earlobes are shaded in. Which best de

scribes the person labeled X in the tree?
C. A male with one recessive allele.
D. A male with no recessive alleles.

Biology
2 answers:
Basile [38]3 years ago
7 0

The answer is a C. The offsprings from this generation are from a cross between parents who are heterozygous (one parent) and homozygous recessive. This means that all the offsprings of the filial 1 (one) generation will carry a recessive allele. However, those with an equivalent dominant allele will not exhibit the attached earlobe trait. This is shown by the Punnet square below;

mojhsa [17]3 years ago
4 0

Answer:

C. a male with one recessive allele. (apex)

Explanation:

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