The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C:
Correct answer: A. A-Transcription, B-Translation, C-Francis Crick
- A. A-Transcription, B-Translation, C-Francis Crick
- B. A-Translation, B-Extension, C -Rosalind Franklin
- C. A-Transcription, B-Replication, C-James Watson
- D. A-Translation, B-Transcription, C-Ervin Chargaff
Explanation
The expression of the genetic material occurs normally through the production of proteins. This involves two consecutive steps. These are transcription and translation. The DNA codes for the production of messenger RNA (mRNA) during transcription. Messenger RNA carries coded information to ribosomes. The ribosomes read this information and use it for protein synthesis. This process is called translation. F.H.C. Crick described this undirectional flow of information in 1958 as the 'central dogma of molecular biology'.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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