genes and variation

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  • Created by: lil04
  • Created on: 30-11-20 19:07

genes and variation

chromosomes are really long molecules of DNA

the genome is the entire genetic material of an organism ,the genetic material is stored in the nucleus and is rearranged into chromosomes each chromosome is one very long molecules of DNA that is coiled up 

a gene is a short lengh of a chromosome

genes determine the production of proteins ,the sequence of bases in the gene decide what type of protein is is produced eg its functions and charecteristics

genes can exist in different versions .each verion gives

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