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sweet-ann [11.9K]
3 years ago
10

Deletion of a DNA base from a gene affects an organism by—

Biology
1 answer:
sergiy2304 [10]3 years ago
8 0

Answer:

Deletion of a DNA base from a gene affects an organism by changing the sequence of amino acids in a protein.

Explanation:

A DNA fragment forms a gene, with a specific sequence of nitrogenous bases, which determines the synthesis of a specific protein. When a deletion of a base occurs in such a gene, it affects:

  • Transcription of the mRNA, which will have the sequence of altered bases.
  • During translation, the mRNA codons will encode at least one different amino acid.
  • The structure of the synthesized protein, which will be altered by changes in its amino acid sequence.

In summary, the <u>deletion of a base in the DNA</u><u> will affect the </u><u>protein</u><u> to be synthesized by </u><u>changing the amino acid sequence</u><u> of its structure</u>.

The other options are not possible, because the deletion of a base in the DNA of a gene

<em>     Does not influence the number of chromosomes that the gametes will have. </em>

<em>     It does not produce long chains in the chromosomes. </em>

<em>     It does not affect the ribose structure of the nucleic acids.</em>

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