| Which of the following phenomenon do not supports Darwin's concept of natural selection? |
| I. Production of 'Dolly' the sheep by cloning |
| II. Development of transgenic animals |
| III. Prevalence of pesticide resistant insects |
| Choose the correct option. |
A) I and II
B) II and III
C) I, II and III
D) Only III
Correct Answer: D
Solution :
The variations which are helpful in the adaptations of an organism towards its surroundings would be passed into the next generation, while others disappear. Examples of natural selection are (i) Industrial melanism (ii) Resistance of insect to pesticides (iii) Antibiotic resistance in bacteria (iv) Sickle cell anaemia (v) Glucose-6-phosphate dehydrogenase deficiency (vi) Genetic polymorphism.
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