Question

What is an example of variation?

Answer 1

Variation:

1. Variation can be defined as the differences in the genetic constituents of individuals that result in differences in the physical appearance of the individuals living in a population.
2. Variation can be shown in the physical appearance, fertility, metabolism, and mode of reproduction of individuals.
3. The variation develops due to changes in the genes and chromosomes are called genetic variations.
4. Variations can also develop due to lifestyle changes or environmental factors such as climate, and nutrition.
5. Genetic variations are inheritable while variations caused due to environmental factors are not inherited.

Example of variation:

Variation in plants:

1. Modification of leaves of carnivorous plants is caused due to environmental factors.
2. These plants grow in soil with low nitrogen, which makes the leaves adapt to survive in this nutrient-poor environment.
3. The modified leaves are used as a trap to capture insects.

Variation in Eye color of humans :

1. It is an example of genetic variation.
2. Eyes color in humans is due to mutations in genes controlling eye color, resulting in variation.