C22 L1

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Across
  1. 2. Organism that has two identical alleles for a trait
  2. 5. Genetic factor that is blocked by the presence of a dominant factor
  3. 7. The study of how traits pass from parents to offspring
  4. 8. How the traits of an organism appear or are expressed
Down
  1. 1. Genetic factor that blocks another genetic factor
  2. 2. Passing of traits from parents to offspring
  3. 3. breeding Selection and breeding of organisms for desired traits
  4. 4. Organism that has two different alleles for a trait
  5. 6. The alleles of all the genes on an organism’s chromosomes