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Science Vocab
Chapter 3 section 1
Question | Answer |
---|---|
trait | A characetristic that the oranism can pass on to its offspring through its genes |
heredity | The passing of traits from parents to offspring |
genetics | The scientific study of heridity |
purebred | An organism that always produces offspring with the same form of a trait as the parent |
gene | A segment of DNA on a chromosome that codes for a specific trait |
allele | The different form of a gene |
dominant allele | An allele whose trait always shows up in the organism when the allel is present |
recessive allele | An allele that is masked when a dominant allele is present |
hybrid | An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait |