Crossword Puzzle

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Across
  1. 3. Having two identical alleles of a particular gene or genes.
  2. 5. It denotes the variant of a given gene.
  3. 6. It is the change in a DNA sequence.
  4. 8. The scientific study of genes and heredity.
  5. 9. An an individual's observable traits.
  6. 10. Having two different alleles of a particular gene or genes.
Down
  1. 1. ____________ cross is a cross between two organisms with different variations at one genetic locus of interest.
  2. 2. ____________ trait is an inherited characteristic that appears in an offspring if it is contributed from a parent.
  3. 4. An individual's collection of genes.
  4. 7. A trait that tends to be masked by other inherited traits, yet persists in a population among heterozygous genotypes.