PIMSO 2022 - Science - Senior Secondary - National Round Question 3

Question 3

1. Heterochromatin are inactive sites of transcription.
2. Heterochromatin are mostly located at the pericentric and telomeric repeats.
3. Heterochromatin aggregate mostly near the nuclear envelope in the nucleus.
4. Heterochromatin appear as lightly stained patches in the chromosome.
5. Heterochromatin are marked by cytosine methylation.