Observable traits exhibited by an organism do not always indicate the exact genetic makeup of that organism. Which best explains this? incomplete dominance
polygenic traits
multiple alleles
recessive alleles

multiply it by 5 in order for you to understand i cant give an exact answer.

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;