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A trait that is controlled by more than one gene.
Example: Skin color is a polygenic trait that is caused by outside environmental factors.
Blood type is another. |
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| Genetic recombination is the process by which a strand of genetic material is broken and then joined to a different DNA molecule. |
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| Traits that are carried on the X or Y chromosome. |
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| An inherited blood disease carried on chromosome 11, in which the red blood cells contain an abnormal from of hemoglobin, the protein that transports oxygen from the lungs to the rest of the body. |
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| Having identical alleles for a specific trait. |
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| Having two different alleles for the same trait. |
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| The equal expression of both copies of a gene in an individual, resulting in both of the alleles being expressed in the phenotype. |
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| The physical appearance of a organism. |
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| The genetic makeup of an organism. |
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| A dihybrid cross is a cross between two F1 offspring of two individuals that differ in two traits |
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