the likelihood that a particular event will occur
probability
a chart that show all the possible combinations of alleles that can result from a genetic cross
punnett square
an organism’s physical appearance, or visible trait
phenotype
an organism’s genetic makeup, or allele combinations
genotype
having two identical allele for a trait
homozygous
having two different alleles for a trait
heterozgous
a condition in which neither of two alleles of a gene is dominant or recessive
codominance