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Chapter 11 Lesson 2
Vocabulary Words
| Term | Definition |
|---|---|
| Gene | a section on a chromosome that has genetic information for one trait |
| Alleles | the different forms of a gene |
| Phenotype | geneticists call how a trait appears, or is expressed |
| Genotype | the tow allelesthat control the phenotype of a trait |
| Homozygous | when the tow alleles of a gene are the same |
| Heterozygous | the two alleles of a gene are different |
| Punnett Square | a model used to predict possible genotypes and phenotypes of offspring |
| Incomplete Dominance | when the offspring's phenotype is a combination of the parents' phenotypes |
| Codominance | when both alleles can be observed in a phenotype |
| Polygenic Inheritance | when multiple genes determine the phenotype of a trait |