j- dogs cross up.

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Across
  1. 3. controlled by one gene,contains two alleles.
  2. 7. individuals at one end of a distribution curve have higher fitness than individuals in the middle or at the end of the curve
Down
  1. 1. number of times that an allele occurs in a gene pool.
  2. 2. individuals near the center of a distribution curve have higher fitness than individuals at either end of the curve
  3. 4. individuals at the upper and lower ends of a distribution curve have higher fitness than individuals near the middle of the curve.
  4. 5. all the genes that are present in a population in one time.
  5. 6. trait controlled by two or more genes