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5th Chap 2A
reproduction and change
| Question | Answer |
|---|---|
| chromosomes | structures in the nucleus of a cell that control the cell's activities |
| fertilization | the joining of a sperm cell and an egg cell |
| fertilized egg | the cell that results when an egg cell and a sperm cell unite |
| pollination | movement of pollen from an stamen to a pistil |
| inherited | passed to offspring from parents |
| gene | the section of a chromosome that controls a trait |
| recessive gene | a gene whose expression is hidden by a dominant gene |
| dominant gene | a gene that can prevent the expression of another gene |
| hybrid | an individual that has a dominant and a recessive gene for a trait |
| mutation | a permanent change in the structure of a gene or chromosome |
| selective breeding | breeding plants or animals with certain traits to produce offspring with those traits |
Created by:
lleahy
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