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Genetics&Heredity
Vocabulary
Term | Definition |
---|---|
Trait | A characteristic |
Heredity | The passing of traits from parents to offspring |
Genetics | The study of heredity |
Purebred | Always produces offspring that have the same trait |
Genes | Factors that control traits |
Alleles | The different forms of a gene |
Dominant | Always shows up in an organism |
Recessive | Is hidden whenever the dominant allele is present |
Hybrid | Has two different alleles for a trait |
Phenotype | Is the way an organism looks-Smooth |
Genotype | Is the genetic makeup, or combination of alleles in an organism-SS or Ss |
Homozygous | An organism that has two of the same alleles for a trait-SS or ss |
Heterozygous | An organism with two different alleles for a trait-Ss |