Genetics crosswords

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Across
  1. 2. Describes a trait that covers over (masks), or dominates, another form of that trait.
  2. 4. Each of two or more alternative forms of a gene; can be dominant or recessive.
  3. 5. An organism's physical appearance, or visible traits, regardless of the genes involved.
  4. 10. An organism that has two identical alleles for a trait
  5. 12. An organism that has two different alleles for a trait.
  6. 14. A characteristic that an organism can pass on to its offspring through its genes.
  7. 15. Cell with two of each kind of chromosome
Down
  1. 1. A chart that shows all the possible combinations of alleles that can result from a genetic cross.
  2. 3. Type of cell division where one body cell produces gametes, each containing half of the usual the number of chromosomes.
  3. 6. Cell with one of each kind of chromosome.
  4. 7. Cell structures that carry the genetic material that is copied and passed from generation to generation of cells.
  5. 8. Diploid cell that is formed when a sperm fertilizes an egg.
  6. 9. The genetic makeup of each trait in an organism.
  7. 11. Fusion of male and female gametes
  8. 13. Trait of an organism that can be masked by the dominant form of a trait.