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| process by which cells release energy in the absence of oxygen |
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| the passing of traits from parents of offspring |
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| green pigment in plants that absorbs light energy used to carry out photosynthesis |
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| light-absorbing molecules used by plants to gather the sun's energy |
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| an allele whose trait always shows up in the organism when the allele is present |
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| process in sexual reproduction in which male and female reproductive cells join to form a new cell |
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| the scientific study of heredity |
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| organisms that cannot make their own food and must feed on other organisms for energy and nutrients |
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| having two different alleles for a trait |
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| a process in cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells |
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| cell division in which the nucleus divides into nuclei containing the same number of chromosomes |
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| process by which plants use the sun's energy to convert water and carbon dioxide into sugars |
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| a chart that shows all the possible combinations of alleles that can result from a genetic cross |
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| an organism that makes its own food |
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| a condition in which neither of two alleles of a gene is dominant or recessive |
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| the offspring of many generations that have the same trait |
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| different forms of a gene |
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