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4.1 Vocabulary
Term | Definition |
---|---|
Heredity | the passing of physical characteristics from parents to offspring |
Trait | a characteristic passed from the parents to offspring |
Genetics | the scientific study of heredity |
Fertilization | when egg and sperm join |
Purebread | offspring of many generations that have the same trait and alleles |
Gene | the factors that control a trait |
Alleles | are the different forms of a gene |
Dominate allele | one whose traits always shows up in the organism when the allele is present |
Recessive Alleles | is hidden when ever the dominate allele is present |
Hybrid | an organism that has two different alleles for a trait |