Genetics Vocabulary

Front

What is an allele?

Back

One of the possible forms or types of a gene.

Front

What is a gene?

Back

A piece of DNA that determines a trait.

Front

Which of the following is NOT an inherited trait?

Back

Having pierced ears.

Front

What is genetics?

Back

The study of how traits are passed to offspring.

Front

What is a phenotype?

Back

The physical characteristics of an organism.

Front

What is a genotype?

Back

The genetic makeup of an organism.

Front

What is a dominant gene?

Back

A gene that is expressed in the phenotype even when only one copy is present.

Front

What is a recessive gene?

Back

A gene that is only expressed in the phenotype when two copies are present.

Front

What is a trait?

Back

A characteristic that is inherited from parents.

Front

What is DNA?

Back

The molecule that carries genetic information.