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probability and heredity

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Probability
a number that describes how likely it is that an event will occur
Punnett square
a chart that shows all the possible combinations of alleles that can result from a genetic cross
Phenotype
an organism's physical appearance, or visible traits
Genotype
an organism's genetic makeup, or allele combinations
Homozygous
having two identical alleles for a trait
Heterozygous
having two different alleles for a trait
Codominance
a condition in which neither of two alleles of a gene is dominant or recessive

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