Apart from Natural Variation in a Species,due to Alternate Alleles,abnormality

Multiple Choice

Apart from natural variation in a species,due to alternate alleles,abnormality (or disease) disorders are also of interest.Inheritance of autosomal dominant disorders requires ___ to pass on the allele,while inheritance of autosomal recessive disorders requires ___ to pass on the allele for it to be expressed in the offspring.

A) only the father; only the mother
B) All of the answer choices are correct.
C) only the mother's X chromosome; only the father's Y chromosome
D) either the mother or the father; both the mother and the father
E) the parent who has the disorder; the parent who is a carrier for the disorder