WORD CHALLENGE - Biology Grade 11 + 12 Crossword

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Across
  1. 1. Is the occurrence of one or more extra sets of all chromosome.
  2. 5. Allele that is hidden usually.
  3. 6. (Two words, no space)Genes located close to each other on the same chromosome.
  4. 7. Observable characteristic.
  5. 8. Alternative form of a single gene.
  6. 10. (Two words, no space)The process by which desired traits of certain plants and animals are selected.
  7. 11. An organism with two different alleles for a particular trait is.
Down
  1. 2. Allele that appears when present.
  2. 3. An organism with two of the same alleles for a particular trait.
  3. 4. (Two words, no space)Involves breeding an organism that has the unknown genotype with one that is homozygous recessive for the desired trait.
  4. 6. Science of heredity.
  5. 9. Genetic makeup or allele pairs.