Which of the following best describes how an organism inherits physical characteristics,
 such as eye color, from their parents?
 A Offspring receive alleles from their parents, each allele contains genes, each gene
 contains chromosomes which determine the appearance of an organism.
 B Offspring receive chromosomes from their parents, each chromosome contains
 genes, each gene contains alleles which determine the appearance of an organism.
 C Offspring receive chromosomes from their parents, each chromosome contains
 alleles, each allele contains genes which determine the appearance of an organism.
 D Offspring receive genes from their parents, each gene contains chromosomes,
 each chromosome contains alleles which determine the appearance of an
 organism.