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704956
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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genetics & society
origin of phenotype
genetics & society
origin of phenotype
first year
Mind Map by
clairegillian95
, updated more than 1 year ago
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Created by
clairegillian95
over 10 years ago
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Resource summary
Dominant Traits
Unaffected individuals will be homozygous recessive
Epidermolysis
A group of rare skin blistering conditions
Complex
Many different genes can be involved
Various forms exist and each is caused by a different gene
Some are mild; others are incapacitating
Certain forms are due to problems with the protein keratin
Show autosomal dominant inheritance
Mutant alleles
Abnormal keratin forms large clumps in the cells
Top layers of cells fall apart; blistering
Gene KRT5 encodes a keratin; gene KRT14 encodes a keratin
Epidermal cells are connected to each other and to the basal lamina
Junctional Epidermolysis
One of the many protein "anchors" is defective
Many forms
Most show autosomal recessive inheritance
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