Genetics

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Across
  1. 5. the combination of alleles or letters in an organism
  2. 6. A change in the usual DNA sequence at a particular gene locus
  3. 7. One of two or more DNA sequences occurring at a particular gene locus
Down
  1. 1. Two alleles for one trait that are same
  2. 2. consists of alleles that are different
  3. 3. the physical appearance of a trait
  4. 4. plant chosen by Mendel for experiments