Unit 7 Genetics

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Across
  1. 4. The differences in traits or characteristics among individuals.
  2. 6. A type of cell division where a single cell divides into two identical daughter cells.
  3. 8. A type of cell division that produces gametes.
  4. 10. A version of a gene.
  5. 11. An organism's complete set of genes.
  6. 12. A change in the DNA sequence of an organism.
  7. 14. A thread-like structure within a cell's nucleus that contains DNA.
  8. 15. The exchange of genetic material between paired chromosomes during meiosis.
Down
  1. 1. A cell that contains a single set of chromosomes.
  2. 2. A specific part of the DNA that codes for a protein.
  3. 3. The presence of two complete sets of chromosomes in a cell.
  4. 5. One allele that overpowers the effects of another allele.
  5. 7. An organism's reproductive cells.
  6. 9. A trait that is expressed only when genotype is homozygous.
  7. 13. A specific characteristic often determined by genes.