Chapter 4 Genetics vocabulary

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Across
  1. 3. a genetic factor that blocks another genetic factor.
  2. 5. a section of DNA on a chromosome that has genetic information for one trait.
  3. 6. a model that is used to show the probability of all possible genotypes and phenotypes of offspring
  4. 7. a genetic factor that is blocked by the presence of a dominant factor.
  5. 8. a genotype in which the two alleles of a gene are the same.
  6. 9. the passing of traits from parents to offspring
Down
  1. 1. how a trait appears or is expressed.
  2. 2. the two alleles that control the phenotype of a trait
  3. 4. a different form of a gene.
  4. 5. the study of how traits are passed from parents to offspring.
  5. 8. a genotype in which the two alleles of a gene are different.