A small molecule known as a methyl group can attach to DNA. Which of the following statements about this event is true? Group of answer choices This is the event that initiates DNA transcription. This event, called linkage, was discovered by Mendel but was not completely understood until decades later. This is the event that stops DNA translation. This event, called methylation, usually stops or represses the expression of a gene.

This event, called methylation, usually stops or represses the expression of a gene.

Explanation:

The expression of the gene can be controlled by an event which adds the methyl group to the DNA molecule especially in the histone proteins called Methylation.

The addition of the methyl group to the nitrogenous bases is a common event in both prokaryotes and eukaryotes.

If methylation takes place in the promoter region of the gene then it represses the transcription of a gene or the gene is suppressed.

Thus, the selected option is correct.

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.