1. chromatin

noun. the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes.


  • cell nucleus
  • body substance
  • nucleus
  • karyon
  • chromatin granule
  • sex chromatin


  • Chromatin (German)

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Sentences with chromatin

1. Noun, singular or mass
The chromatin from the egg cell and the sperm cell come together to form a pronucleus where the chromosomes begin to pair.

2. Adjective
The histones latched on to DNA to create nucleosomes make chromatin look like a series of beads strung on string under a microscope.

3. Verb, 3rd person singular present
Under a microscope, this gives chromatin a beady appearance, with "naked" DNA alternating with DNA enclosing histone cores.