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Genetics Vocab
Term | Definition |
---|---|
allele | one of two or more alternative forms of a gene |
homozygous | having two identical alleles of a particular gene or genes |
heterozygous | having two different alleles of a particular gene or genes. |
genotype | the two alleles inherited for a particular gene ex: RR, Rr, rr |
phenotype | the set of observable/physical characteristics of an individual resulting from the interaction of its genotype with the environment ex: brown hair, blue eyes |
dominant | the "big" allele that is expressed over a recessive trait if present |
recessive | the "small" allele, two are needed for the phenotype to be expressed |