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Solution


Q.

Which of the following is an example of genetic variation
1 One person has a scar but his friend does not.  
2 One person is older than the other.  
3 Reeta eats meat but her sister Geeta is a vegetarian.  
4 Two children have different eye colour.  

Ans.

(4)

Variation in gene frequencies is referred to as genetic variation. Eye colour is determined by variations in genes of a person. Two children having different eye colour is an example of genetic variation.