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| the passing of traits from parent to offspring |
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| the different forms of a trait that a gene may have (dimples or no dimples) |
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| the study of how traits are inherited through the interaction of alleles |
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| the father of genetics who studied pea plant blooms |
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| receive different genetic information, or different alleles, for a trait from each parent |
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| an organism that produces the same traits generation after generation |
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| a form of a trait that dominates, or covers up, the other form. The form of a trait that shows up in mixed or heterozygous alleles. (Bb) |
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| form of a trait that is covered up by the dominant form in heterozygous or mixed alleles. (Bb) |
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| handy tool to predict results in crossing alleles for certain traits |
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| genetic makeup of an organism |
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| the way an organism looks and behaves as a result of its genotype. Because an organism has Bb for eyecolor it has brown eyes. The organism's phenotype is brown eyes. |
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| an organism with two alleles that are the same (BB organism has two alleles for brown eyes) |
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| an organism has two different alleles for a trait (Bb - organism has one allele for brown eyes and one for blue) |
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| when the offspring of two homozygous parents show an intermediate phenotype ( cross a red flower with a white flower and get a pink flower) |
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| when a trait is controlled by two or more alleles ( like blood types: A,B,O) |
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| occurs when groups of gene pairs acts together to produce a trait ( height, eye color, skin color) |
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| caused by errors occuring when copying the DNA inside of a cell |
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| recessive genetic disorders |
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Definition
| can occur when both parents have a recessive allele responsible for the disorder even though the parents don't show signs of the disorder ( cystic fibrosis) |
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