heterochromatin

As a letter s

is the letter s with a.

As a noun heterochromatin is

(cytology) heterochromatic tightly coiled chromosome material; believed to be genetically inactive.

As a noun heterochromatin

is heterochromatic tightly coiled chromosome material; believed to be genetically inactive.

As an adjective dichromatic is

having two colors.

As nouns the difference between heterochromatin and chromocenter

is that heterochromatin is (cytology) heterochromatic tightly coiled chromosome material; believed to be genetically inactive while chromocenter is an irregular mass of heterochromatin in some chromosomes.

As nouns the difference between heterochromatin and heterochromatinization

is that heterochromatin is (cytology) heterochromatic tightly coiled chromosome material; believed to be genetically inactive while heterochromatinization is (biology) the conversion of euchromatin into heterochromatin during the inactivation of the x chromosomes in the embryogenesis of mammalian females.

As a noun heterochromatin

is (cytology) heterochromatic tightly coiled chromosome material; believed to be genetically inactive.

As an adjective heterochromatinic is

of or pertaining to heterochromatin.