Question

Name the following

The chemical that controls heredity.

Answer 1

DNA (Deoxyribonucleic acid)

1. DNA is the chemical that controls heredity.
2. It represents the genetic material and is the molecular basis of heredity.
3. Its structure was discovered by Watson and Crick in the year 1953.
4. DNA is made up of a nitrogen base, a sugar molecule, and a phosphate radical.
5. The four types of nitrogen bases found in DNA are - adenine, guanine, cytosine and thymine