Question

explain dihybrid cross. what do you mean by homozygous and heterozygous species?

Answer 1

When two individuals are crossed to get more than one character is called dihybrid cross.
The homologous chromosomes which are in similar conditions are said to be in homozygous condition
The homologous chromosomes which are in dissimilar conditions are said to be in heterozygous condition.

Answer 2

Dihybrid cross explains the law of independent assortment that is a pair of factors segregate independently of other pair.

Homozygous individuals are those whose genetic constitution consists of same alleles of a gene of particular trait.

Heterozygous individual consist of different alleles of same gene