Which one of the following discoveries resulted in a Nobel Prize?

Which one of the following discoveries resulted in a Nobel Prize?
  1. X-rays induce sex-linked recessive lethal mutations
  2. cytoplasmic inheritance
  3. recombination of linked genes
  4. genetic engineering

Solution

H.J. Muller discovered the production of mutations by X-ray irradiation.

Asked in: NEET 2003

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