Genetics/Punnett Square Review

Front

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

Back

dominant

Front

What is the probability of heterozygous offspring in a Punnett square?

Back

50%

Tags

NGSS.HS-LS3-3

Front

Which of the following is homozygous recessive? AA, Aa, aa

Back

aa

Front

A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---

Back

Codominance

Front

What is the probability of homozygous dominant offspring in a Punnett square?

Back

50%

Tags

NGSS.HS-LS4-3

Front

Define genotype.

Back

The genetic makeup of an organism, represented by alleles.

Front

Define phenotype.

Back

The observable traits or characteristics of an organism.

Tags

NGSS.HS-LS3-2

Front

What does a Punnett square illustrate?

Back

The possible genetic combinations from a cross between two parents.

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous has two identical alleles; heterozygous has two different alleles.

Front

What is incomplete dominance?

Back

A genetic situation where neither allele is completely dominant, resulting in a blend of traits.