The basic unit of heredity is called:

Which structure carries genetic information?

How many chromosomes are present in human body cells?

DNA stands for:

The physical expression of a gene is called:

The alternate forms of a gene are known as:

A trait that is expressed only when both alleles are identical is called:

The genetic material in most living organisms is:

Which of the following determines the sex of a human baby?

Mutation refers to: