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HEREDITY AND EVOLUTION



 



  1. What is heredity and evolution?
  2. What is variation?
  3. Define genetics?
  4. Where are genes located in the body?
  5. Define “gene”?
  6. What are fossils?
  7. What are inherited traits?
  8. How many pairs of chromosomes does human being have?
  9. What was the first principle of inheritance that was given by Mendel?
  10. Name an animal in which individuals’ can change sex?
  11. How do traits get expressed? Give an example?
  12. How is stability of DNA of the species ensured in sexual reproduction?
  13. What are different ways in which individual with a particular trait may increase in a population
  14. Why are traits acquired during the lifetime of an individual not inherited?
  15. Differentiate between inherited and acquired traits?
  16. Mention factors which lead to the rise of new generations?
  17. What are fossils? How do they help in providing information about the process of evolution?
  18. Explain the term analogous and homologous organ with examples?
  19. How is equal genetic contribution of male and female parents ensured in the progeny?
  20. Define species?
  21. Why are variations necessary?
  22. State various laws of Mendels?
  23. Taking an example explain speciation?
  24. What is micro evolution?
  25. Describe briefly the mechanism of sex determination in human beings?
  26. Describe Mandels experiments to show that the traits are inherited independently?

 


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