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_
Keep practising Heredity and Evolution
Browse all Heredity and Evolution questions for Andhra Pradesh SSC (Class 10), or explore more Science topics.
Related questions
Evolution is best defined as the change occurring in living organisms that takes place:Which genetic disorder is given as an example of a condition that can be caused by a mutatA sudden change in a gene, such as a nucleotide shifting its position, is known as a:The stepwise movement of the ribosome along mRNA by a distance of one triplet codon is terThe amino acids brought in by tRNA are joined together by peptide bonds with the help of wOn a tRNA molecule, the sequence that is complementary to the codon on mRNA is called the:Which Indian-origin scientist received the 1968 Nobel Prize for his work on triplet codonsHow many nucleotides make up the triplet codon that codes for a single amino acid?