Dominant Traits

Description

First year Genetics & Society (Origin of Phenotype) Mind Map on Dominant Traits, created by clairegillian95 on 01/04/2014.
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Mind Map by clairegillian95, updated more than 1 year ago
clairegillian95
Created by clairegillian95 about 10 years ago
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Resource summary

Dominant Traits
  1. Unaffected individuals will be homozygous recessive
    1. Epidermolysis
      1. A group of rare skin blistering conditions
        1. Complex
          1. Many different genes can be involved
          2. Various forms exist and each is caused by a different gene
            1. Some are mild; others are incapacitating
            2. Certain forms are due to problems with the protein keratin
              1. Show autosomal dominant inheritance
                1. Mutant alleles
                  1. Abnormal keratin forms large clumps in the cells
                    1. Top layers of cells fall apart; blistering
                  2. Gene KRT5 encodes a keratin; gene KRT14 encodes a keratin
                  3. Epidermal cells are connected to each other and to the basal lamina
                    1. Junctional Epidermolysis
                      1. One of the many protein "anchors" is defective
                        1. Many forms
                          1. Most show autosomal recessive inheritance
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