Front

Genetic make-up of an individual (their letters)

Back

Genotype

Front

When alleles are the same

Back

Homozygous

Front

Alleles are different

Back

Heterozygous

Front

Homozygous dominant

Back

AA

Front

Homozygous recessive

Back

aa

Front

Physical appearance of a trait

Back

phenotype

Front

Form of a trait or gene

Back

allele

Front

Allele as capital letter

Back

Dominant

Front

Allele as lower-case letter

Back

Recessive

Front

Heterozygous

Back

Aa