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ExamsNEETBiology

Which of the following is suitable for experiment on linkage?

  1. aaBB × aaBB
  2. AABB × aabb
  3. AaBb × AaBb
  4. Aabb × AaBB

Correct answer: AABB × aabb

Solution

AABB × aabb is suitable because it produces uniform F1 individuals with genotype AaBb, making it easy to study whether A and B are inherited together. Linkage is best examined when the heterozygote can reveal non-independent assortment in its gametes or progeny.

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