Answer :
Answer:
Explanation:
Basically, genes do not only encode information for protein synthesis only. They also encode information that aids in the production of some products including tRNA and rRNA and some others that plays active roles even in the production of said polypeptides and also other gene products e.g some functional non-coding RNA. Basically, transcription of information on the DNA gives rise to a primary transcript. Depending on the functions of the genes/regions of genes transcripted, this primary transcripts can be processed to give rise to either the mRNA, tRNA etc. So basically, the human genome contain much more than just polypeptide coding regions, other regions include non coding RNA genes, conserved elements regions, transcription regulation regions etc. These are cateforized as genes because most of them play vital roles in encoding information that allows for synthesis of other substances other than proteins.
The rRNA and tRNA are considered to be genes even though they do not produce polypeptides because they produce structures used by the cell during translation.
What are genes?
Genes are fragments of DNA that normally encode for proteins, which require first the transcription to mRNA.
- Subsequently, these mRNAs are translated into polypeptide chains by a process called translation.
- The rRNAs and tRNAs are fundamental biomolecules that are involved in this process of translation.
In conclusion, rRNA and tRNA are considered to be genes even though they do not produce polypeptides because they produce structures used by the cell during translation.
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