Read the given passage and answer the questions that follow :- |
Which of the following is transcriptionally active chromatin? |
Heterochromatin Euchromatin Both 1 and 2 None of these |
Euchromatin |
The correct answer is Option (2) -Euchromatin. In a typical nucleus, some region of chromatin are loosely packed (and stains light) and are referred to as euchromatin. The chromatin that is more densely packed and stains dark are called as Heterochromatin. Euchromatin is said to be transcriptionally active chromatin, whereas heterochromatin is inactive. |