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Science 4.1
Term | Definition |
---|---|
Heredity | Passing of physical characteristics from parents to offspring |
Trait | Each different form of a characteristic, such as stem, height or seed color |
Genectics | Scientific study of heredity |
Fertilization | A new organism begins to form when egg and sperm join in the proccess |
Purebred | Organism is the offspring of many generations that have the same trait |
Gene | the set if information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait |
Alleles | the 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 allele is present |
Hybrid | organism has two different alleles for a trait |