Genetics vocabulary and application flashcard 1

Front

Different alleles (versions) of a trait: Pp

Back

Heterozygous

Front

The physical appearance or biochemical characteristic of an organism as a result of the interaction of its genotype and the environment.

Back

Phenotype

Front

A trait that is expressed only when two identical alleles for a particular locus are present on the same chromosome.

Back

Recessive

Front

Same alleles (versions) of a trait: pp or PP

Back

Homozygous

Front

A trait that can mask (hide, cover) the recessive trait.

Back

Dominant

Front

The genetic makeup of an organism, represented by alleles.

Back

Genotype

Front

The observable characteristics of an organism resulting from the genotype and environment.

Back

Phenotype

Front

An allele that expresses its trait even in the presence of a recessive allele.

Back

Dominant

Front

An allele that only expresses its trait when paired with another recessive allele.

Back

Recessive

Front

The combination of alleles for a specific gene in an organism.

Back

Genotype