When the details of gene expression were first being worked out, it was hypothes

Question

When the details of gene expression were first being worked out, it was hypothesized that one gene was responsible for the production of one protein. We now know this is not the case for most genes. Agene can actually produce many different proteins. What step in the process of gene expression do you think allows for this? Choose one A. Transcription, because there could be multiple RNA polymerases attached to one gene transcribing it to mRNA B. RNA splicing, since the introns and exons of a gene would be different depending on the protein needed C. Translation, because there are multiple places in a gene where the start codon exists and where translation could start D. Mutation, because changing the gene sequence would result in a different amino acid sequence of the protein

Explanation / Answer

1. RNA splicing as splicing is the mechanism which can make many proteins out of one mRNA.

2. B and C are correct.

as DNA has same four bases. and they will have same 20 amino acids.

Plant and viruses cannot have same proteins.

It is not necessary that if an organism has DNA it will synthesize protein.

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