How are the terms homozygous and heterozygous different?

Responses

Homozygous describes having recessive alleles for a trait, and heterozygous describes having dominant alleles for a trait.

Homozygous describes having dominant alleles for a trait, and heterozygous describes having recessive alleles for a trait.

Homozygous describes having two of the same allele for a trait, and heterozygous describes having two different alleles for a trait.

Heterozygous describes having two of the same allele for a trait, and homozygous describes having two different alleles for a trait.

The correct response is: Homozygous describes having two of the same allele for a trait, and heterozygous describes having two different alleles for a trait.