Complete Dominance

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Complete dominance is where a [[Dominant_allele|dominant allele]] completely masks the presence of the [[Recessive_alleles|recessive allele]]. An example of this can be shown in the cross below:<br>  
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Complete dominance is where a [[Dominant allele|dominant allele]] completely masks the presence of the [[Recessive alleles|recessive allele]]. An example of this can be shown in the cross below:<br>  
  
Azazel is a red skinned Homo-Superior homozygous with the u gene coding for red skin.  
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Azazel is a red skinned Homo-Superior [https://teaching.ncl.ac.uk/bms/wiki/index.php/Homozygous homozygous ]with the u gene coding for red skin.  
  
 
Raven is a blue skinned Homo-Superior homozygous with the U gene coding for blue skin.<br>  
 
Raven is a blue skinned Homo-Superior homozygous with the U gene coding for blue skin.<br>  
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As shown by the cross, all the offspring should have a Uu genotype for skin color. However, as the U allele is completely dominant over the u allele, their child Kurt expresses a phenotype with completely blue skin.
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As shown by the cross, all the offspring should have a Uu [https://teaching.ncl.ac.uk/bms/wiki/index.php/Genotype genotype ]for skin color. However, as the U allele is completely dominant over the u allele, their child Kurt expresses a [https://teaching.ncl.ac.uk/bms/wiki/index.php/Phenotype phenotype ]with completely blue skin.

Revision as of 17:17, 4 December 2017

Complete dominance is where a dominant allele completely masks the presence of the recessive allele. An example of this can be shown in the cross below:

Azazel is a red skinned Homo-Superior homozygous with the u gene coding for red skin.

Raven is a blue skinned Homo-Superior homozygous with the U gene coding for blue skin.

u u
U Uu Uu
U Uu Uu

As shown by the cross, all the offspring should have a Uu genotype for skin color. However, as the U allele is completely dominant over the u allele, their child Kurt expresses a phenotype with completely blue skin.

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