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WAEC Biology 1991 (August) Question 59

Question 59

Mendelian Inheritance

In an individual who is heterozygous for a particular character, the hereditary factor that is always expressed is described as

  1. A.allele
  2. B.sickle-cell gene
  3. C.dominant gene
  4. D.chromosome
  5. E.sex-linked character
Show the answer and explanation

Answer: C (dominant gene)

Explanation

In a heterozygote the dominant gene shows and hides the recessive one.