Science

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Across
  1. 5. The physical appearance of an organism.
  2. 6. A genotype with two different size letters.
  3. 8. The set of genes carried by an organism.
Down
  1. 1. An allele that is usually masked or covered.
  2. 2. An allele that masks or covers a recessive allele.
  3. 3. A genotype with either two capital letters or two lowercase letters.
  4. 4. One variation of a gene.
  5. 7. Segments of DNA that code specific proteins.