Genetics Basics

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Heredity

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The passing of genes from parents to offspring

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Trait

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A characteristic of an organism (Ex: the organism is tall or has brown hair)

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Genetics

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The study of genes, heredity, and variation in living organisms.

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Genome

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The entire set of genetic material present in an organism.

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Dominant

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A trait that is seen (represented by a capital letter). A genetic trait that is expressed when present, even if only one copy is inherited.

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Recessive

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A genetic trait that is hidden (represented by a lowercase letter); seen only when two copies are inherited, one from each parent.

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Allele

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A letter representing a gene

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Genotype

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The genetic makeup of an individual, representing the combination of alleles for a particular trait.