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Chapter 3 vocab
| Question | Answer |
|---|---|
| Heredity | the passing of traits from parents to offspring |
| trait | a specific characteristic that an organism can pass to its offspring through its genes |
| genetics | the scientific study of heredity |
| fertilization | the process in sexual reproduction in which an egg cell and a sperm cell join to form a new cell |
| purebred | an offspring of many generations that has the same form of trait |
| gene | a sequence of DNA that determines a trait and is passed from parent to offspring |
| allele | The different forms of a gene |
| dominant allele | an allele whose trait always shows up in the organism when the allele is present |
| recessive allele | an allele that is hidden whenever the dominant allele is present |
| hybrid | an offspring of crosses that has 2 different alleles for a trait |
| probability | a number that describes how likely it is that a particular event will occur |
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