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Which one of the following discoveries resulted in a Nobel Prize? (a) X-rays induce sex-linked recessive...

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

(a) X-rays induce sex-linked recessive lethal mutations

(b) eytoplasmic inheritance

(c) recombination of linked genes

(d) genetic engineering

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Answer #1

(a) X-rays induce sex-linked recessive lethal mutations

H.J. Muller for the first time validated X- rays triggered intercourse connected recessive lethal mutations in Drosophila. The technique for detecting sex-linked deadly mutation is known as CLB method. This approach involves use of CLB stock which incorporates an/a (i) inversion in heterozygous country to paintings as crossover suppressor (C), (ii) recessive lethal (L) on X-chromosome in heterozygous nation and (iii) dominant marker, banned eye (B).

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