EvolutionMedium
Question
Given below is a pedigree chart of a family with five children. It shows the inheritance of attached earlobes as opposed to the free ones. The squares represent the male individuals and circles the female individuals and circles the female individuals. Which one of the following conclusions drawn is correct?
Options
A.The parents are homozygous recessive.
B.The trait is Y-linked.
C.The parents are homozygous dominant.
D.The parents are homozygous.
Solution
Such types of result are obtained only if parents are heterozygous for the trait.
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