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Principles of Inheritance and Variation question

2006 · Q67
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Principles of Inheritance and Variation question

2006 · Q67

NEETBiologyPrinciples of Inheritance and VariationMCQ+4 / −1
In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY × rryy ?
  1. A
    Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons
  2. B
    Only wrinkled seeds with green cotyledons
  3. C
    Only wrinkled seeds with yellow cotyledons
  4. D
    Only round seeds with green cotyledons
View written solutionFree

Correct answer: A

Since round seed shape is dominant over wrinkled seed shape and yellow cotyledon is dominant over green cotyledon so RRYY individuals is round yellow and rryy is wrinkled green.

AIPMT 2006 Biology - Principles of Inheritance and Variation Question 106 English Explanation

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