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Question
The genotype of a guinea pig having black coloured and rough hair is _____
WBBSE
Class X
Life Science
03 (a) Heredity
01 Mark
2025
Answer
BBRR / BbRr / BBRr / BbRR
Explanation:
In guinea pig, black colour (B) is dominant over white (b) and rough hair (R) is dominant over smooth (r), so any genotype having at least one B and one R (like BBRR, BBRr, BbRR, BbRr) expresses black and rough.
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