Genetics

Front

What does genotype refer to?

Back

The possible combination of alleles in a gene.

Front

What is the genotype of all offspring from a cross between AA and aa for fur color?

Back

Aa.

Front

How many alleles does an offspring receive from each parent for a specific trait?

Back

One.

Front

What term describes having two of the same genes for a trait?

Back

Homozygous.

Front

What type of inheritance is exhibited by Snapdragon flowers that come in red, pink, and white?

Back

Incomplete Dominance.

Front

What is the difference between genotype and phenotype?

Back

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

Front

What is an allele?

Back

An allele is a variant form of a gene.

Front

What does it mean if a trait is dominant?

Back

A dominant trait is one that will express itself in the phenotype even if only one allele is present.

Front

What is the term for an organism with two different alleles for a trait?

Back

Heterozygous.

Front

What is the principle of segregation in genetics?

Back

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