Genetics

Front

What does homozygous mean?

Back

Having two of the same genes for a trait (sometimes called purebred).

Front

What is heredity?

Back

The passing of genetic traits from parent to offspring.

Front

What does AA represent in genetics?

Back

Homozygous Dominant.

Front

What are recessive alleles represented by?

Back

Lowercase letters.

Front

What is a phenotype?

Back

The physical trait of an organism.

Front

What is a genotype?

Back

The genetic makeup (code) of an organism.

Front

What is an allele?

Back

Different forms of a gene that can exist at a specific locus.

Front

What does heterozygous mean?

Back

Having two different genes for a trait.

Front

What is a dominant allele?

Back

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

Front

What is a recessive allele?

Back

An allele that only expresses its trait when two copies are present.