Question

Explain any three molecular (genetic) evidences in favour of organic evolution.

Answer 1

1. All organisms have cellular structure and DNA is the genetic material, indicating their common ancesting except RNA virus.
2. Genetic information flow from DNA to RNA to protein, a phenomenon called Central Dogma.
3. Mutations are the source of new variations and fountain head of evolution.
4. Genetic information is stored in the DNA in the form of sequence of nucleotides. Genetic code is a triplet code. It is same from bacteria to humans (any three points).