SCIENCE: GENES AND CHROMOSOMES QUICK CHECK.

Question

WHAT IS A GENE?
1. A LARGE MOLECULE THAT PERFORMS A SPECIFIC FUNCTION.
2. A POINT THAT JOINS TWO HALVES OF A CHROMOSOME.
3. A SECTION OF DNA THAT ENCODES A SPECIFIC PROTEIN.
4. A STRUCTURE THAT CONTAINS MANY CHROMOSOMES.

Answer 1

3. A SECTION OF DNA THAT ENCODES A SPECIFIC PROTEIN.