Chromosomes, Meiosis and Genetic Inheritance Crossword.

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Across
  1. 2. The observable characteristics of an organism.
  2. 3. The separation of two alleles during meiosis so each gamete receives one allele.
  3. 6. When chromosomes fail to separate correctly during cell division, potentially causing an abnormal chromosome number.
  4. 9. Having two different alleles, such as Aa.
  5. 10. The combination of alleles an organism has for a particular gene.
Down
  1. 1. assortment The independent distribution of alleles of different genes into gametes, provided the genes are unlinked or sufficiently far apart.
  2. 4. over The exchange of DNA between homologous chromosomes during meiosis, creating new allele combinations.
  3. 5. Cell division that produces four haploid cells, each with half the original chromosome number.
  4. 7. An alternative version of a gene.
  5. 8. Having two identical alleles, such as AA or aa.