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Chapter 3 Vocab term
Term | Definition |
---|---|
Heredity | The passing of traits from parents to offspring |
Trait | A specific characteristic that an organism can pass to its off spring through its genes |
Genetics | The scientific study of heredity |
Fertilization | The process in sexual reproduction in which an egg cell and a sperm join to form a new cell |
Purebred | An offspring of many generations that has the same form of a trait |
Gene | A sequence of DNA that determines a trait and is passed from parent to offspring |
Allele | The diffrent forms of a gene |
Dominant Allele | An allele whose trait always shows up in the organism when the allele is present |
Recessive Allele | An allele that is hidden whenever the dominant allele is present |
Hybrid | An offspring of crosses that has two different alleles fopr a trait. |
Probability | A number that describes how likely it is that a particular event will occur. |