Heredity Vocabulary

A version of a gene.

• allele

• gene

• homozygous

• genotype

The actual alleles an individual inherited

• phenotype

• genotype

• gene

• heterozygous

Allele that is always expressed if present

• Dominant

• Recessive

• Phenotype

• Genotype

When homologous chromosomes have the same alleles on them.

• heterozygous

• homozygous

• genotype

• phenotype

Section of DNA that codes for a protein and/or trait.

• Gene

• DNA

• Protein

• Genotype

Allele that is only expressed in the homozygous state.

• Recessive

• Dominant

• Heterozygous

• Phenotype

When homologous chromosomes have different alleles on them.

• Homozygous

• Recessive

• Heterozygous

• Dominant

The physical trait expressed.

• Phenotype

• Genotype

• Physotype

• Icantype