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| A threadlike structure in the nucleus, made up of DNA.46 in a human. |
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| The process by which most cells divide. |
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| The stages that a living thing passes through as it grows and changes. |
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| Egg, seed, or sperm.23 chromosomes. |
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| Fertilized egg from joined cells from each parent. 2 gametes. 46 chromosomes. |
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| When tissue or body parts reproduce. |
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| When the cell of a single-celled organism divides, the whole organism reproduces. |
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| The joining of cells from 2 different individuals. |
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| A characteristic passed from parents to offspring. Heredity. |
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| The part of a chromosome theat contains the DNA code for an inherited trait. |
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| A chemical that provides detailed instructions to the cell about every function of life. |
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| A behavior that an an organism inherits. |
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| A behavior an animal aquires through experence. |
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| Everything in an organism's surroundings that affects it, including water, soil, air, weather, landforms, and other living things. |
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