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Principles of Inheritance and Variation
Monohybrid/dihybrid cross - genotype determination
1 question from 1 paper, each with its answer.
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Concepts tested
- Monohybrid/dihybrid cross - genotype determination
All Questions
2024 Re-NEET 1 question
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When a tall pea plant with round seeds was selfed, it produced the progeny of: (a) Tall plants with round seeds and (b) Tall plants with wrinkled seeds. Identify the genotype of the parent plant.Since all progeny are tall (no short plants appear), the parent must be homozygous tall, TT. Since the progeny show both round and wrinkled seed phenotypes (segregation), the parent must be heterozygous for seed shape, Rr. Hence the parent genotype is TTRr.
