Question:

Who propounded the chromosomal theory of inheritance?

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Mendel → Laws of inheritance; Sutton and Boveri → Chromosomal theory; Morgan → Experimental proof.
  • Mendel
  • Sutton and Boveri
  • Morgan
  • Henking
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The Correct Option is B

Solution and Explanation

Step 1: Background.
Mendel proposed the basic principles of inheritance, but the chromosomal basis was established later.
Step 2: Sutton and Boveri’s contribution.
In 1902–1903, Sutton and Boveri independently proposed that chromosomes carry Mendel’s factors (genes) and thus form the basis of inheritance.
Step 3: Conclusion.
Hence, the chromosomal theory of inheritance was propounded by Sutton and Boveri.
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