Practice Questions

1.Define an allele.

An allele is an alternative form of a gene

2.Explain why a recessive trait can skip generations.

A recessive trait can skip generations because a person only shows it if they have two recessive alleles. If they have one dominant and one recessive allele, the dominant trait is shown and the recessive one is hidden, but it can still be passed on to their children.

3.What is meant by phenotype?

Phenotype refers to the observable features of an organism, which are influenced by its genotype and the environment.