Which one of the following statements about the chromosome theory of inheritance is false?
a. genes and chromosomes occur in pairs; one member of each pair is maternally derived, and the other is paternally derived.
b. the arrangement of chromosomes at metaphase of meiosis depends on the arrangement of all other chromosome pairs.
c. genes and chromosomes assort themselves into gametes independently of all other gene pairs and chromosome pairs.
d. at fertilization, each zygote contains two copies of each chromosome and two copies of each gene.
e. none of these