If a man has brown eyes with the recessive allele for blue eyes (Bb), each of his sex cells will have

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

The color of the fur is the genotypephenotype.the genetic combination of alleles that determine the fur color is called the genotypephenotype.

Sperm are ejaculated from the corpora cavernosa of the penis. true or false