| Definition | The genetic makeup of an individual. Refers to the information contained on two alleles in the cell. | Detectable expression of the genotype. An expressed and observable trait. e.g. hair color. |
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| Examples | DNA, susceptibility to diseases | Hair color, eye color, weight, |
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| Depends upon | The hereditary information that was given to an individual by their parents. | Genotype and the influence of the environment. |
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| Inheritance | as one of the two alleles is passed on during reproduction. | Cannot be inherited. |
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| Contains | All the hereditary information of an individual, even if those genes are not expressed. | Expressed genes only. |
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| Can be determined by | Genotyping – using a biological assay, such as PCR, to find out what genes are on an allele. (Inside the body) | Observation of the individual. (Outside the body) |
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