Multiple Choice
A type of muscular dystrophy shows sex-linked recessive inheritance. Affected persons usually die by the age of 20. Suppose that a boy with the disease lives long enough to marry a woman heterozygous for the trait. If they have a son, what is the probability that he will have the disease?
A) 25%
B) 50%
C) 75%
D) 100%
E) 0%
Correct Answer:

Verified
Correct Answer:
Verified
Q44: Crossing spherical-seeded pea plants with dented-seeded pea
Q45: A recessive allele is one:<br>A)that is not
Q46: In pea plants, tall plants are dominant
Q47: Human skin color is the result of:<br>A)one
Q48: Suppose you cross a pea plant with
Q50: Males always inherit sex-linked traits from their
Q51: In a test cross, what percentage of
Q52: If an individual who is homozygous for
Q53: What is the genotype of a dominant
Q54: Sickle-cell anemia is caused by a:<br>A)recessive sex-linked