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4.1 Vocabulary
Term | Definition |
---|---|
Heredity | The passing of physical characteristics from parents to offspring. |
Trait | Each different form of characteristic, such as stem height or seed color. |
Genetics | The scientific study of heredity. |
Fertilization | A new organism begins to form when a egg and sperm join in the process. |
Purebred | Organism is the offspring of many generations that have the same trait. |
Gene | The factors that control the traits. |
Alleles | The different forms of gene.(letters) |
Dominant Allele | One whose trait always shows up in the organism when the allele is present. |
Recessive Allele | One trait that always hide when ever the dominant allele is present. |
Hybrid | Organism that has two different alleles for a trait. |