Which of the following calculations require that you utilize the addition rule?
A) Calculate the probability of black offspring from the cross AaBb × AaBb, when B is the symbol for black.
B) Calculate the probability of children with both cystic fibrosis and polydactyly when parents are each heterozygous for both genes.
C) Calculate the probability of each of four children having cystic fibrosis if the parents are both heterozygous.
D) Calculate the probability of a child having either sickle-cell anemia or cystic fibrosis if parents are each heterozygous for both.
E) Calculate the probability of purple flower color in a plot of 50 plants seeded from a self-fertilizing heterozygous parent plant.

Question

Quizplus · Accepted Answer

The addition rule is used when calculating the probability of mutually exclusive events, meaning that only one outcome can occur. In this case, the probability of a child having sickle-cell anemia and the probability of a child having cystic fibrosis are mutually exclusive. Therefore, we need to use the addition rule to calculate the probability of either outcome occurring.

Which of the Following Calculations Require That You Utilize the Addition