Sunday, 8 May 2016

3.13 understand hat the nucleus of a cell contains chromosomes on which genes are located

Okay so basically every cell contains a nucleus, every nucleus contains chromosomes (humans are diploid and have 46 chromosomes, except for sex cells which are haploid and have 23). Each chromosome is made up of a long coil of DNA. DNA can be sectioned, a small section of DNA is known as a gene.
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1 comment:

  1. Anonymous10 November 2017 at 15:25

    Not every cell contains a nucleus. Please word your explanation more clearly and formally as well.

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