In a pedigree,a person whose symbol is filled in and who is associated with the Roman numeral II is ____.
A) affected by the trait and in the second generation
B) not affected by the trait and in the second generation
C) affected by the trait and is the second-oldest child in the family
D) not affected by the trait and is the second-oldest child in the family
E) affected by the trait and has an identical twin

Question

Quizplus · Accepted Answer

In a pedigree, a person whose symbol is filled in indicates that they are affected by the trait being studied. The Roman numeral II indicates that they are in the second generation. Therefore, option A - affected by the trait and in the second generation is the correct answer.

In a Pedigree,a Person Whose Symbol Is Filled in and Who