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lesson 3 chapter 3
patterns of inheritance
| Question | Answer |
|---|---|
| phenotype | an organisms physical appearance, or visible traits |
| genotype | an organisms genetic makeup, or alleles |
| homozygous | an organism that has two identical alleles for a trait |
| heterozygous | an organism that has two different alleles for a trait |
| incomplete dominance | occurs when one allele is only partially dominant |
| codominance | occurs when both alleles for a gene are expressed equally |
| multiple alleles | three or more possible alleles determine the trait |
| polygenic inheritance | occurs when more than one gene affects a trait |