He or she will have brown eyes. This is observable. Punnett square a mathematical way to show what genetic traits offspring might inherit from two parents. It is not in that parent's phenotype. This gene may be carried to the next generation.
Traits come in pairs.
This is the basis for figuring out a Punnett square. When two genes are paired, the dominant one will take effect. Male genes . Female genes Look below to understand how a Punnett cross is completed. Male genes .