Nonmendelian Genetics

Front

What is the term for having two of the SAME alleles for a trait?

Back

Homozygous

Front

What do we call a trait that is controlled by two or more genes?

Back

Polygenetic Traits

Front

How are dominant alleles represented in genetic notation?

Back

By a capital letter

Front

In a Punnett square, what genotype represents a short plant if T = tall and t = short?

Back

tt

Front

In snapdragons, which genotype results in a blended flower color phenotype?

Back

Heterozygous

Front

What is the term for having two different alleles for a trait?

Back

Heterozygous

Front

What is the definition of multiple alleles?

Back

More than two alleles exist for a genetic trait.

Front

What is the expected phenotypic ratio in a monohybrid cross?

Back

3:1

Front

What is incomplete dominance?

Back

A situation where the phenotype of heterozygotes is intermediate between the phenotypes of the two homozygotes.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.