Chromatin from two tissues, skin and liver, was extracted and analyzed near the gene twist. the liver chromatin was found to be more dnase sensitive than the chromatin from skin cells. what might explain this difference?

(a) chromatin near twist in liver cells is heterochromaitic.
(b) twist is not expressed in either liver or skin cells
(c) twist is silenced in skin and not liver.
(d) twist is expressed at the same level in both liver and skin cells.
(e) twist is expressed in skin and not liver

1. true.2. true.3. true.4. false.5. true.the concept of darwin's theory of evolution involves the idea that there are limited resources in a given living environment and that the organisms which live within have variations in their genetic make up due to random mating. the ones with beneficial genetic variations can express certain traits which give them an upper hand in surviving and reproducing in the said environment compared to ones who may have a more disadvantageous variation in traits. over time, the organisms with an upper hand will survive and reproduce more frequently and pass on their beneficial genes while the others die. the result is evolution, where we observe (usually, but not always) eventually, phenotypic distinct changes.

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