What is dihybrid cross?

A dihybrid cross is a genetic cross between two organisms involving the inheritance of two different traits at the same time.

In this type of cross, two pairs of contrasting characteristics are studied together. It helps in understanding how different genes are inherited independently according to Mendel’s Law of Independent Assortment.

For example, in pea plants, seed shape and seed color can be studied together in a dihybrid cross. A cross between plants with round yellow seeds and wrinkled green seeds is a common example.

Dihybrid crosses are usually represented using Punnett squares to predict possible genotype and phenotype combinations in offspring.

This type of cross is important because it explains how multiple traits are inherited simultaneously and contributes to genetic variation.