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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
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Consider a gene that has two alleles and shows complete dominance. When two heterozygotes for this gene breed, they have a chance of producing a homozygous recessive offspring. The next time they breed, what are the chances that they will once again have a homozygous recessive progeny?
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Correct option: B
Option B (25 %) is correct because each breeding event is independent, so the probability of having a homozygous recessive offspring remains constant at 25% for each event.
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