An animal (guinea pig) having black colour is crossed with guinea pig having the same colour. They produced 100 offsprings, of which 75 were black and 25 were white.
Find out
(i) What is the possible genotype?
(ii) Which trait is dominant and which is recessive?
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Answer:
(i) Possible genotype of the guinea pig : Bb X Bb
(ii) Black is dominant and white is recessive.
(iii) Monohybrid cross.
Phenotypic ratio = 3 : 1
Explanation:
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