Phenylketonuria has an autosomal recessive inheritance. A quadrup...

2. Mendel's Laws of Inheritance

Probability and Genetics

2. Mendel's Laws of Inheritance

ANSWERS OPTIONS

The probability that their next kid will be affected is 1/4

The probability that both parents are affected is 1

The probability that one of the parents is affected is 1/2

The probability of their next child being unaffected is 1/4

Phenylketonuria has an autosomal recessive inheritance. A quadruplet was born to a newlywed couple, and phenylketonuria was discovered in one of the children. Genetic counseling is recommended for the parents of the affected infant. It would be important to inform them that: