In humans muscular dystrophy (m. d.) is caused by a recessive allele on the X chromosome. Draw a punnett square to show how two unaffected people can have a child with muscular
dystrophy.
a. Genotypic ratio
b. Phenotypic ratio
e. Is the child with muscular dystrophy a male or a female?
d. What's the probability that their next child will have m. d.?
e. What percentage of the male children will have m. d.?
f. What percentage of the female children will have m. d.?