Gene
A section of DNA that codes for a protien
Allele definition
Version of a gene that codes for a protien
Genotype definition
The alleles that a person has
Phenotype definition
Visible characteristics
Homozygous definition
Chromosome that contains two of the same allele
Heterozygous definition
Chromosome that contains one of each allele
Dominant definition
Expressed in the phenotype when present in the genotype
Recessive definition
Expressed in the phenotype when present in the genotype with another recessive allele
Polygenic definition
When characteristics are affected by many genes, rather than just one
Codominant definition
When both alleles contribute to the phenotype