A Punnett square is used to
a. predict the gametes that will be produced by an organism.
b. predict the genotypes and phenotypes of a genetic cross.
c. determine the source of new alleles.
d. determine how many genes control a given trait.
a. predict the gametes that will be produced by an organism.
b. predict the genotypes and phenotypes of a genetic cross.
c. determine the source of new alleles.
d. determine how many genes control a given trait.