genetics

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Across
  1. 2. some examples of a dominant are freckles, cleft chin, and dimples
  2. 5. Sickle-cell anaemia is passed on through this type of gene
  3. 6. the relationship between the two alleles affects which traits are expressed
  4. 7. is the genetic constitution of an organism
Down
  1. 1. having two identical alleles of a particular gene or genes.
  2. 3. may occur in pairs, or there may be multiple alleles affecting the expression (phenotype) of a particular trait.
  3. 4. examples include behavior, biochemical properties, color, shape, and size.