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Biology · May / June 2017 · Paper 21 · Question 4

5090

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The question as text

Fig. 4.1 shows a Bengal tiger. Fig. 4.1 Fur colour in the Bengal tiger is controlled by a single gene. The dominant allele of the gene results in orange fur. A single change in this gene produces a recessive allele, which results in white fur in tigers with the homozygous recessive genotype.

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Show the answer and mark scheme
  • 4(a)(i)[3]

  • 4(a)(ii)[1]

  • 4(b)[5]

  • 4(c)[3]

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