Crossword Puzzle to genetics with answer key

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Across
  1. 4. An organism that has two different alleles for a trait
  2. 7. Mendel's law that states that the pairs of homologous chromosomes separate in meiosis so that only one chromosome from each pair is present in each gamete
  3. 8. genetic makeup of an organism
  4. 9. allele An allele whose trait always shows up in the organism when the allele is present.
  5. 10. Passing of traits from parents to offspring
Down
  1. 1. An organism's physical appearance, or visible traits.
  2. 2. An organism that has two identical alleles for a trait
  3. 3. A heritable feature that varies among individuals
  4. 5. A characteristic that an organism can pass on to its offspring through its genes.
  5. 6. The scientific study of heredity