click below
click below
Normal Size Small Size show me how
Basic Genetic Terms
genetic vocabulary
Term | Definition |
---|---|
allele | alternate version of a gene |
genes | passed from parents to offspring; segments of DNA |
dominant | masks other alleles |
recessive | only shows if no dominant allele is present |
homozygous | two alleles that are the same |
heterozygous | two alleles that are different |
genotype | description of an organism's genes (letters) |
phenotype | description of an organism's physical appearance |
Mendelian Inheritance | Mendel found that: 1. inherited traits follow patterns 2.Gametes unite at random 3.Only one allele of a gene pair segregates into a gamete |