4.1 Science Vocab. Word Scramble
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Term | Definition |
heredity | the passing of physical characteristics from parents to offspring |
trait | each different form of a characteristic |
genetics | the scientific study of heredity |
fertilization | a new organism begins to form when egg and sperm join |
purebred | the offspring of many generations that have the same trait |
gene | the factors that control a 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 | hidden whenever the dominant allele is present |
hybrid | organism that has two different alleles for a trait |
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