Does answer d and f also true Which of the following are hom

Does answer d and f also true?

Which of the following are homozygous? AA Aa Pp ppGGee PP ZZyyXx

Solution

Apart from \'a\' and \'e\', \'d\' is also true. ppGGee (all the pairs are homozygous)

\'f\' is not true. ZZyyXx (Here Xx is a heterozygous, one allele is dominant and other is recessive).

Homozygous is having identical pairs of genes for any given characteristic, which could be both dominant or both recessive.