Explanation:

• 3rd option is correct.
• In India, we find mangoes with different flavours, colours, fiber content, sugar content and even shelf-life. The large variation is on account of genetic diversity.
• Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species. It is distinguished from genetic variability, which describes the tendency of genetic characteristics to vary. Genetic diversity serves as a way for populations to adapt to changing environments.