In fruit flies the allele for long wings (L) is dominant and the allele for short wings (l) is recessive. What is the likely genotype of a fruit fly with short wings?

A. Either LL or Ll

B. Either Ll or ll

C. Only LL

D. Only ll

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Which of the following characteristics is directly related to the coding of a single amino acid during the process of translation?

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Is selective breeding the best way to combine traits from two different species ?