alleryThe trio of Avery, McCarty and McLeod proved in 1944 that the genetic material in all living organisms except viruses is which molecule?
ARNA
BDNA
CATP
DProtein
Answer & Solution
Correct answer: B. DNA
1. The nature of the genetic material was being investigated after genes were linked to chromosomes.
2. In 1944 Avery, McCarty and McLeod showed the genetic material is DNA.
3. This held for all living organisms except viruses.
4. Therefore the answer is DNA.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 1 "Heredity and Evolution", p.10_
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