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2.33: Chromosomes

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

centromere

Region where two sister chromatids are joined together.

chromatid

One of two identical copies of a chromosome; joined together at a centromere prior to cell division.

gene

Unit of DNA that is encoded with the instructions for a single polypeptide.

homologous chromosomes

Pair of chromosomes that have the same size and shape and contain the same genes.

chromatin

Grainy material form of DNA when it is not coiled into chromosomes.

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Difficulty Level:
At Grade

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Date Created:
Feb 24, 2012
Last Modified:
Sep 04, 2016
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SCI.BIO.243.L.1