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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
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The normal body colour of a grasshopper is green. The gene for this character is present on X chromosome. Due to recessive mutation in this gene, grasshoppers with pink body colour are produced. A male grasshopper with green body colour mates with a female grasshopper with pink body colour. Which of these statements is true?
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Correct option: D
All the daughters will be green and all the sons will be pink.
Option D (All the daughters will be green and all the sons will be pink) is correct because the green body colour gene is on the X chromosome and dominant, so daughters inherit the green gene from their father and the pink gene from their mother, resulting in green daughters. Sons inherit the Y chromosome from their father and the pink gene from their mother, resulting in pink sons.
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