Homozygous and Heterozygous Genotype

Front

What is a homozygous genotype?

Back

A homozygous genotype consists of two identical alleles for a particular gene, such as AA or aa.

Front

What is a heterozygous genotype?

Back

A heterozygous genotype consists of two different alleles for a particular gene, such as Aa.

Front

Is Tt a homozygous genotype?

Back

No, Tt is a heterozygous genotype.

Front

Provide an example of a homozygous genotype.

Back

An example of a homozygous genotype is JJ or MM.

Front

Provide an example of a heterozygous genotype.

Back

An example of a heterozygous genotype is Rr.

Front

What does it mean if an organism is homozygous for a trait?

Back

It means that the organism has two identical alleles for that trait.

Front

What does it mean if an organism is heterozygous for a trait?

Back

It means that the organism has two different alleles for that trait.

Front

Are MM and BB homozygous genotypes?

Back

Yes, both MM and BB are homozygous genotypes.

Front

In the genotype GG, what are the alleles?

Back

In the genotype GG, both alleles are G.

Front

What is the significance of alleles in genetics?

Back

Alleles are different versions of a gene that determine specific traits in an organism.