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Ms. Menanno Chap14.3
| Question | Answer |
|---|---|
| heredity | The passing of traits from parents to offspring |
| trait | A characteristic that an organism can pass on to its offspring through its genes |
| genetics | The study of heredity |
| fertilization | The joining of a sperm cell and an egg cell |
| purebred | An organism that always produces offspring with the same form of a trait as the parent; homozygous |
| gene | The set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait |
| alleles | Different forms of a gene |
| dominant allele | An allele whose trait always shows up in an organism when the allele is present |
| recessive allele | An allele that is hidden when a dominant allele is present |
| hybrid | An organism that has two different alleles for a trait; heterozygus |