What is the primary difference between euchromatin and heterochromatin?

Euchromatin is more condensed and silences genes, while heterochromatin is less condensed and allows gene expression.

Euchromatin is less condensed and allows gene expression, while heterochromatin is more condensed and generally silences genes.

Euchromatin is found only in telomeres, while heterochromatin is found only in centromeres.

Euchromatin and heterochromatin have the same level of condensation but differ in gene expression.