Variation1. What is variation?, Explain the importance of variation and give examples of variation in humans.2. State the two type of variation and give examples.3. Explain the effects of genetic factors on variation.4. Explain the effects of the interaction between genetic factors and environmental factors on variation5. What is mutation and types of mutation?6. What is chromosomal mutation and when does it mostly take place?7. What is gene mutation and the effect of gene mutation?8. What are mutagen and example of mutagens?9. What is a mutant?10. What is point mutation?11. Discuss briefly the effects of mutation.