Flashcardziz - Genetics Basics

Front

What is an allele?

Back

a version of a trait

Front

A genotype with two dominant alleles is known as:

Back

Homozygous dominant

Front

A genotype with two different alleles is known as:

Back

heterozygous

Front

The term used to describe a purebred organism when two identical alleles are present.

Back

homozygous

Front

In humans, the widow's peak allele is dominant and the no widow's peak allele is recessive. A person who is homozygous dominant would create gametes _________.

Back

W and W

Front

Genotype of a pea plant that is heterozygous for tallness (T is dominant to t).

Back

Tt

Front

A plant's alleles for white flowers are "pp". What can you say for certain about the plant's parents?

Back

Both parents contributed a recessive allele.

Front

When might a dominant trait appear?

Back

All of these

Front

Probability of white flowers in cross: PP x pp

Back

0%

Front

The law that says alternate forms of a gene separate during the formation of gametes; they do not mix to form a new trait.

Back

Law of segregation