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WAEC Agricultural Science 2020 Question 30

Question 30

Basic Genetics

When a gene is expressed in the phenotype in a homozygous or heterozygous form, that gene is said to be

  1. A.segregating.
  2. B.recessive.
  3. C.dominant.
  4. D.desirable.
Show the answer and explanation

Answer: C (dominant.)

Explanation

A dominant gene shows even when only one copy is present.