Biology - Inherited disorders vocabulary

Gene

A short section of DNA that codes for proteins

Alleles

A variation of a gene

Recessive allele

An allele that you need two of to have the mutation

Dominant allele

An allele you only need one of to have the mutation

heterozygous

Two different alleles for a gene

homozygous

Two of the same alleles for a gene

Phenotype

Physical appearance

Genotype

Genetic make up