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M7Genetics
Genetic Terms
| Term | Definition |
|---|---|
| Heterozygous | Different alleles |
| Homozygous | Same alleles |
| Genotype | genetic makeup |
| Phenotype | physical appearance |
| allele | alternate form of a gene |
| gene | segment of DNA that codes for a particular trait |
| trait | characteristics from your parents |
| Dominant | capital letter, trait that is expressed |
| Recessive | little letter, trait that is masked |
| Incomplete dominance | Blend of alleles; neither allele is dominant |
| Codominance | Both alleles are expressed equally |
| polygenic traits | traits controlled by more than one gene |
| sex-linked traits | traits carried on the X-chromosome |
| multiple alleles | inheritance where there are more than 2 alleles |