Which of the following best describes when a pattern of gene expression is altered without change in the DNA sequence?

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Quizplus · Accepted Answer

Epigenetic states refer to heritable changes in gene expression that occur without changes to the DNA sequence itself, including modifications to DNA and histones that can affect the accessibility of genes to transcription factors. Negative and positive autoregulation refer to regulatory feedback mechanisms in which a gene product inhibits or stimulates its own expression, respectively. Meiosis is a type of cell division that occurs in sexually reproducing organisms to produce haploid gametes.

Which of the Following Best Describes When a Pattern of Gene