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14 Cards in this Set
- Front
- Back
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Heredity |
the passing on of physical or mental characteristics genetically from one generation to another. |
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Offspring |
a person's child or children. |
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Gene |
(in informal use) a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring. |
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Genetic trait |
inherited characteristic. |
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Allele |
one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome. |
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Genotype |
the genetic constitution of an individual organism. |
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Phenotype |
the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment. |
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Dominant |
most important |
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Recessive |
relating to or denoting heritable characteristics controlled by genes that are expressed in offspring only when inherited from both parents, i.e., when not masked by a dominant characteristic inherited from one parent. |
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Homozygous |
If offspring gets the same allele from both parents (AA or aa) then their genotype is homozygous. |
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Heterozygous |
If offspring gets a different allele from each parent (Aa), then their genotype is heterozygous |
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cross |
Anytime two parents mate and form offspring this is called a cross. |
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monohybrid punnett square |
We can predict the offspring of the F1 generation with a tool called a monohybrid Punnett square. |
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F1 generation |
The first generation produced by the mating of two parents is called the F1 generation. |
