Which of the Following Calculations Require the Use of the Addition

question 62

Multiple Choice

Which of the following calculations require the use of the addition rule of probability?

• A) Calculate the probability of black offspring from the cross AaBb × AaBb, where 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.

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Definitions:

Body Mechanics

The use of one's body to produce motion that is safe, energy conserving, and anatomically and physiologically efficient to prevent and correct posture problems.

Wide Base of Support

A posture strategy where the feet are set apart to enhance stability and balance.

Erect Posture

Maintaining an upright position of the body with the spine straight, often associated with standing or sitting.

Cold Application

A therapeutic treatment using cold temperatures, often in the form of ice packs, to reduce inflammation, swelling, and pain in injured areas.