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4.1 Vocabulary
4.1 Vocabulary Science
Term | Definition |
---|---|
Heredity | passing of physical characteristics from parent to offspring |
Trait | each different form of a characteristics, such as stem height or seed color |
Fertilization | a new organism begins to form when egg and sperm join in the process |
Gentics | the scientific study of heredity |
Purebred | the offspring of many generations that have the same trait |
Gene | factors that control a trait |
Alleles | different forms of a gene |
Dominant Allele | one whose trait always shows up in the organism when the allele is present |
Recessive Allele | is hidden whenever the dominant is present |
Hybrid | organism that has two different allele for a trait |