Homozygous vs. Heterozygous

Front

What does the term 'Homozygous' mean?

Back

An organism is homozygous when it has two identical alleles for a particular gene (e.g., AA or aa).

Front

What does the term 'Heterozygous' mean?

Back

An organism is heterozygous when it has two different alleles for a particular gene (e.g., Aa).

Front

If an organism has the genotype 'Bb', what is it?

Back

Heterozygous.

Front

If an organism has the genotype 'AA', what is it?

Back

Homozygous.

Front

What is an example of a heterozygous genotype?

Back

Aa, Bb, or Cc.

Front

What is an example of a homozygous genotype?

Back

AA or aa.

Front

What is the significance of being homozygous or heterozygous in genetics?

Back

It affects the traits expressed in an organism and can influence inheritance patterns.

Front

If one allele is for brown hair and the other is for blonde hair, what is the genotype?

Back

Heterozygous.

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles mask the effect of recessive alleles in heterozygous individuals.

Front

What is a phenotype?

Back

The observable traits or characteristics of an organism, influenced by its genotype.