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Ch.3 Less 2
| Term | Definition |
|---|---|
| Probability | A number that describes how likely it is that a particular event will occur. |
| Phenotype | An organism's physical appearance, or visable traits |
| Homozygous | Having two identical alleles for a particular gene |
| Punnett Square | A chart that shows all the possiable combonations of alleles that can result from a genetic cross |
| Genotype | An organisms genetic makeup, or allele combonations |
| Heterozygous | Havnig two diffrent alleles for a particular gene. |
| Meiosis | The process that occurs in the formation of sex cells by which the number of chromosomes is reproduced by halfr. |
| Incomplete Dominance | This occurs when one allele is only partly dominant |
| Codominance | Occers when both alleles for a gene are expressed equally |
| Multiple Alleles | Which means that 3 or more possible alleles determaine the trait |
| Polygenetic inhertitance | Occurs when more than one gene affects a trait |