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| all of the features that an organism inherits |
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| part of the DNA code on a chromosome |
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| genetic makeup of an organism |
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| physical appearance of an organism which is the combination of genetic makeup and the evironmental effect on that makeup |
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| the study of the passing of traits from parents to offspring |
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| passing of traits from parents to offspring |
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| the babies formed by its parents |
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| the different forms of a gene |
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| dominant alleles show their effect on the phenotype. They are often seen in each generation. |
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| recessive alleles will show their effect on the phenotype only when tow of them are present in the genotype |
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| the first researcher to describe the results of genetics experiments. He worked in the 1860's. He experimented with pea plants. |
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| a chart that helps people understand and make genetic predictions. Reginald C. Punnett developed it 50 years after Mendel published his work on pea plants. |
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| change in the genetics of a species over time |
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| organisms that are better adapted to an environment survive and reproduce at a greater rate |
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Charles Darwin
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Alfred Russell |
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| hypothesized how living things came into existence |
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| process which DNA changes result in new alleles. |
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| production of several species from one ancestral species |
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| occurs when the last individual of a species dies |
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