Which of the following statements about chromatin is FALSE? There are regions of the chromosomes that stay heterochromatic through almost the whole life of an individual and the genes in these regions are almost never expressed. The state of the chromatin is usually erased during mitosis, so daughter cells usually have different patterns of DNA and histone methylation compared to the maternal cell. Frequently, the chromatin state of a particular chromosomal region could change from euchromatin to heterochromatin and back during different developmental stages or in different tissues Chromatin state is regulated by modifications of DNA and histone proteins
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Step 1: Regions of the chromosomes can indeed stay heterochromatic throughout almost the whole life of an individual, and genes in these regions may not be expressed or may be expressed at very low levels. Show more…
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