Please Use the Following Information to Answer the Question(s) Below

Please use the following information to answer the question(s) below.
A man who is an achondroplastic dwarf with normal vision marries a color-blind woman of normal height. The man's father was 6 feet tall, and both the woman's parents were of average height. Achondroplastic dwarfism is autosomal dominant, and red-green color blindness is X-linked recessive.
-Which of the following statements describes the major reason that the individual with the genotype AaBbCCDdEE can make many kinds of gametes?

A) segregation of maternal and paternal alleles
B) crossing over during prophase I
C) different possible assortment of chromosomes into gametes
D) the tendency for dominant alleles to segregate together