Genetics Terminology

Front

When two different alleles are present, one dominant allele completely hides the recessive allele; only the dominant trait is expressed (seen).

Back

Complete dominance

Front

When two different alleles are present, a blended trait is expressed (seen).

Back

Incomplete dominance

Front

When two dominant alleles are present, both dominant traits are expressed (seen).

Back

Codominance

Front

More than two alleles exist for one trait, creating more variation in traits.

Back

Multiple alleles

Front

More than two genes code for a single trait, creating more variation in traits.

Back

Polygenic inheritance

Front

A tool used for predicting the genotypes and phenotypes of offspring.

Back

Punnett Square

Front

A copy of a gene.

Back

Allele

Front

An observable characteristic.

Back

Trait