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4.2
| Term | Definition |
|---|---|
| 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 organisms physical appearance, or visible traits. |
| genotype | An organisms 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. |