the origin of genes

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Across
  1. 4. the physical appearance of an organism that is the trait that you can see
  2. 7. a genotype with two different size letters
  3. 8. covers a recessive allele whose dominant allele is represented by a capital letter
Down
  1. 1. the alleles that code for a specific protein and trait
  2. 2. gene given by one of your protein
  3. 3. -a genotype with either two capital letters or two lower case letters
  4. 5. that codes for specific protein
  5. 6. An allele that is usually that is masked or covered by a dominant allele, and has two lower case letters