Heterochromatin Is Characterized by All of the Following,EXCEPT That It

Multiple Choice

Heterochromatin is characterized by all of the following,EXCEPT that it

A) is present all over the inactive X chromosomes in mammals.
B) contains genes that require high levels of transcription.
C) is present on most of the Y chromosome.
D) remains highly condensed throughout the cell cycle.
E) is present at centromeres and telomeres.