Which of the following statements concerning the inheritance of a dominant trait is true?
A)Every affected person must have at least one affected parent.
B)The trait is observed to skip generations.
C)An affected heterozygote will transmit the allele to all of his or her offspring.
D)Nonaffected parents can have affected offspring.
E)The trait is passed along paternal lines.

Question

Quizplus · Accepted Answer

In the inheritance of a dominant trait, every affected person must have at least one affected parent because a dominant allele will always be expressed if present in the genotype. Therefore, if an individual is affected, they must have inherited the dominant allele from at least one parent who is also affected or a heterozygote carrier of the allele.

Which of the Following Statements Concerning the Inheritance of a Dominant