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Question: Answered & Verified by Expert
In an experiment, AaBb obtained in the F1 generation was test crossed. In the progeny, genotype Aabb and aaBb were more frequent than AaBb and aabb. Then the genotype of the parents should be
BiologyPrinciples of Inheritance and VariationNEET
Options:
  • A AABB and aabb
  • B AAbb and aaBB
  • C AAbb and AABB
  • D AABB and aaBB
Solution:
2376 Upvotes Verified Answer
The correct answer is: AAbb and aaBB
Since Aabb and aaBb are more frequent, it means in parental condition, dominant and recessive alleles are present together. In parental condition, AAbb and aaBB are present representing trans-condition of linkage.

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