Complete Dominance: Difference between revisions
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Complete dominance is where a [[ | 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. | Azazel is a red skinned Homo-Superior [[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 | As shown by the cross, all the offspring should have a Uu [[genotype|genotype]] for skin colour. However, as the U [[allele|allele]] is completely dominant over the u allele, their child Kurt expresses a [[phenotype|phenotype]] with completely blue skin. | ||
Latest revision as of 20:18, 5 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 colour. However, as the U allele is completely dominant over the u allele, their child Kurt expresses a phenotype with completely blue skin.