If you made a big deletion of DNA in the promoter sequence of a gene then, the gene would not be transcribed.
What is DNA?
Humans and nearly all other species carry their genetic information in DNA, also known as deoxyribonucleic acid. The DNA of an individual can be found in almost all of their cells.
The information molecule is DNA. It provides the knowledge required to produce proteins, another type of substantial molecule. Each of your cells contains 46 substantial structures called chromosomes that are distributed throughout these instructions. These chromosomes are made up of numerous smaller segments of DNA, called genes.
Therefore, Option A is correct.
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