Topic 3.1 Genes

Jake Pearman
Mind Map by Jake Pearman, updated more than 1 year ago
Jake Pearman
Created by Jake Pearman about 4 years ago


11th grade Biology (Genetics) Mind Map on Topic 3.1 Genes, created by Jake Pearman on 02/09/2017.

Resource summary

Topic 3.1 Genes
  1. A gene is a heritable factor that consists of a length of DNA and influences a specific characteristic
    1. Located on a specific position on one type of chromosome
    2. Allele
      1. The various specific forms of a gene
        1. Alleles differ from each other by one or a few bases only
          1. Mutations
            1. Random changes in allele formation- there is no mechanism for a particular mutation being carried out
              1. Sickly-Cell Anemia
                1. Causes from base substitution mutation as well as a change to the base sequence of mRNA transcribed from it and a change to the sequence of a polypeptide in hemoglobin
        2. Genome
          1. The whole of the genetic information of an organism
            1. Humans contain 46 molecules that form chromosomes
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