Heredity Flashcard Review

Front

What is phenotype?

Back

An organism's physical appearance or visible traits.

Front

What is a gene?

Back

The basic unit of heredity; controls a specific trait.

Front

What is genotype?

Back

An organism's genetic makeup, or allele combination.

Front

Why does Mr. Robinson's son have a straight hairline?

Back

He inherited his hairline from his parents.

Front

What is the genetic relationship of offspring in asexual reproduction?

Back

The offspring have genes that are the same as that of their parent.

Front

What is heredity?

Back

The passing of traits from parents to offspring.

Front

What are alleles?

Back

Different versions of a gene.

Front

What is a dominant trait?

Back

A trait that is expressed when at least one dominant allele is present.

Front

What is a recessive trait?

Back

A trait that is expressed only when two recessive alleles are present.

Front

What does homozygous mean?

Back

Having two identical alleles for a specific gene.