AP Biology Unit Four Crossword

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Across
  1. 5. having two different alleles for a given gene
  2. 6. an observable heritable feature that may vary among individuals
  3. 9. an allele that is fully expressed in the phenotype of a heterozygote
  4. 10. one of two or more detectable variants in a genetic character
Down
  1. 1. in genetics, the matin, or crossing, of two true-breeding varieties
  2. 2. an organism that has a pair of identical alleles for a gene (encoding a character)
  3. 3. an organism that has two different alleles for a gene (encoding a character)
  4. 4. the genetic makeup, or set of alleles, of an organism
  5. 7. having two identical alleles for a given gene
  6. 8. the ability of a single gene to have multiple effects