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A white and a black chicken give an egg. What is the probability of the progeny born being Andalusian?

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A white and a black chicken give an egg. What is the probability of the progeny born being Andalusian?

(a) 1/6

(b) 1/4

(c) 1/2

(d) 1

The question was asked in exam.

Origin of the question is Incomplete Dominance and Codominance topic in portion Extension and Deviation from Mendelian Genetic Principles of Cytogenetics

1 Answer

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Best answer
Correct choice is (d) 1

Easy explanation: As the progeny will receive one plumage color allele from each of its parents its resultant genotype will be heterozygote. Heterozygous chickens are Andalusian so the probability is 1 or it is certain.

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