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| a trait that appears only if both members of a pair of alleles posses it. |
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| a possible version of a gene, which codes information for a specific trait, or version of a characteristic. |
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| an individual produced by crossing 2 purebred parents that differ a trait. |
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| a structure in the cell nucleus that contains DNA |
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| the characteristic of having a single set of chromosomes; two haploid cells join together in the process of fertilization. |
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| fluid in the cell where nutrients are absorbed, transported and processed. |
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| an organelle that processes and packages proteins. |
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| a barrel shaped organelle found only in animals essential to cell division. |
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| organelles that contains enzynes that break down larger molecules. |
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| an organelle that stores water, sugar, minerals and proteins. |
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| an organelle that assembles proteins for growth and reproduction. |
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| an organelle specific to plants that contan chlorophyll and coduct photosynthesis. |
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| rapid growth, chromosomes duplicated. |
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| the phase of a cell cycle during which the nucleus divides to produce an exact copy of itself. |
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| the process of cell division that produces gametes, each with half the number of chromosomes of the parent cell. |
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| nuclear membrane forms around the chromosomes. Cytokinesis begins. |
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| double stranded chromosomes line up in the middle of the cell. |
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| spherical organelles inside the nucleus which makes proteins and ribosomes |
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| individual chromosomes are now two identical strands. Nuclear membrane begins to dissolve. |
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| each chromosome splits and the halves move to opposite poles of the cell. |
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| All living things are made up of one or more cells. The cell is the functional unit of life. All cells come from pre-existing cells. |
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| occurs when single-celled organisms divide into two identical cells. I.e.: bacteria, amoeba. |
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| the parents produces a small bud or a mini clone that eventually detach and become seerate individuals. Organisms such as the hydra and yeast reproduce by budding. |
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| the process by which unfertilized haploid eggs mature into new organisms. Ants, bees an d certain species or snakes and lizards. Fertilized eggs become workers while unfertilized eggs become drones. |
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| haploid cells that can develop into new organisms (they are not sex cells, but are still reproductive cells.) cannot be fertilized. Fungal, green algae, mold |
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| reproduction of offspring by plants that does not include seeds. Root formation, spider plants, rhizomes (small thin underground spider plants) |
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| new organisms formed from a piece of the existing parent. Example: starfish and some worms. |
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| a process in which a part of one is joined with another plant called the parent or root. |
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| plant cells are placed in a petri dish containing nutrients and other chemicals. They will grow into individuals and becoming seedlings, ready to be planted in soil. |
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| Refers to traits that have a defined form, particular species of plants may produce only white and purple flowers. |
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| refers to traits that have a range of forms. For example the height of average adult humans range from 1.2 m to 2.1 m |
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| variation and the enviroment |
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| two identical plants, one in the sun and one in dim light, each will grow differently. The environment in each will grow differently. The environment in which an organism is exposed to can and will affect the way the organism grows. |
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