Genetics and Evolution

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Across
  1. 1. The presence of more than two complete sets of chromosomes in a cell.
  2. 3. the process of double nuclear division (reduction division) to produce four nuclei, each containing half the original number of chromosomes (haploid).
  3. 5. The division of one species, during evolution, into two or more separate species.
  4. 7. One of two identical halves of a replicated chromosome
  5. 9. an organism that contains a different combination of alleles to either of its parents.
Down
  1. 2. The stage in the cell cycle between divisions.
  2. 4. Pairing of homologous chromosomes.
  3. 6. crossing over occurs
  4. 8. "The first word" of a graphical way of illustrating the outcome of a cross.