Genetics crossword puzzle

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Across
  1. 1. the first phase of mitosis
  2. 3. The study of heredity
  3. 5. Hh
  4. 7. transmission of traits from one generation to the next
  5. 8. A fertilized egg
  6. 9. A variant of a character
  7. 10. cells that have a single set of chromosomes
Down
  1. 2. When one gene influences several characters
  2. 4. A heritable feature that varies among different people
  3. 6. HH or hh