Intro to Genetics

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Across
  1. 2. Having two different alleles for a gene.
  2. 6. The genetic makeup of an organism; the alleles it carries.
  3. 7. Having two identical alleles for a gene.
  4. 8. Mendel’s principle stating that allele pairs separate during gamete formation in meiosis.
  5. 9. Different versions of the same gene.
Down
  1. 1. The observable traits or characteristics of an organism.
  2. 3. An allele whose trait is masked in heterozygotes.
  3. 4. An allele whose trait is expressed in heterozygotes.
  4. 5. A DNA-containing structure that holds many genes.
  5. 6. A reproductive cell (egg or sperm) containing one allele for each gene.