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Hereditary Unit


Hereditary Unit
A hereditary unit or a gene determines a particular characteristic in an organism and can be passed on unaltered to progenitors. It is located on a specific location of a chromosome. A gene may have multiple transcription units.
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Gene -- a hereditary unit that occupies a certain position on a chromosome; a unit that has one or more specific effects on the phenotype, and can mutate to various allelic forms.
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1859 Charles Darwin publishes The Origin of Species 1865 Gregor Mendel's paper, Experiments on Plant Hybridization 1903 Chromosomes are discovered to be hereditary units 1905 British biologist William Bateson coins the term "genetics" in a letter to ...
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Evolution is a change in the gene pool of a population over time. A gene is a hereditary unit that can be passed on unaltered for many generations. The gene pool is the set of all genes in a species or population.
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principle of segregation One of Mendel's observations on the behavior of hereditary units during gamete formation.
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