Genetics Science Menu

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Across
  1. 1. The allele that masks the expression of the recessive allele.
  2. 4. a step or a stage in a process
  3. 7. Very small structures found in animal cells that produce spindle fibers.
  4. 9. The two cells that result from cell division.
  5. 10. An organism that has two identical alleles for a particular gene.
Down
  1. 2. The step of mitosis where the chromosomes line up across the center of the cell.
  2. 3. A structure made up of tiny tubes that attach to the duplicated chromosomes and pull them apart in the anaphase of mitosis.
  3. 5. An organism that has two different alleles for the same gene.
  4. 6. The original cell before it divides.
  5. 8. The duplication and splitting apart of chromosomes during cellular division.