Genetics and Heredity

Front

The environment works with genes to control gene expression.

Back

True

Front

If long hair is dominant, and my cat has long hair then his genotype must be:

Back

HH or Hh because they show the same phenotype.

Front

A version of a gene is called a(n):

Back

allele.

Front

___________ is when the phenotype shows both traits in the heterozygous individual (like a cow that is brown and white).

Back

Codominance.

Front

A trait that is expressed if one copy of the allele is present is a(n):

Back

dominant trait.

Front

What is the basic unit of heredity that carries genetic information?

Back

Gene.

Front

What is the physical expression of a trait called?

Back

Phenotype.

Front

What do we call the genetic makeup of an organism?

Back

Genotype.

Front

What is the term for a trait that is masked by a dominant trait?

Back

Recessive trait.

Front

What is the term for the observable characteristics of an organism?

Back

Phenotype.