Genetics Review

Front

What does a Punnett Square do?

Back

Shows the possible genotypes, determines the possible phenotypes, and predicts offspring traits.

Front

What type of traits are represented by a capital letter?

Back

Dominant traits.

Front

If Brown eyes (B) are dominant to Blue eyes (b), and someone has the genotype bb, what color eyes will they have?

Back

Blue.

Front

What types of traits are 'masked' by dominant traits?

Back

Recessive traits.

Front

What types of traits 'mask', or cover up other traits?

Back

Dominant traits.

Front

What is a genotype?

Back

The genetic makeup of an organism, represented by letters (e.g., BB, Bb, bb).

Front

What is a phenotype?

Back

The physical appearance or observable traits of an organism.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene (e.g., BB or bb).

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene (e.g., Bb).

Front

What is the law of segregation?

Back

The principle that during the formation of gametes, the two alleles for a trait separate from each other.