WAEC Biology 1991 (August) Question 42

Question 42

Chromosomes, DNA and Sex Linkage

Which of the following is the unit of transmission of hereditary traits in living organisms

  1. A.Nucleus
  2. B.Nucleolus
  3. C.Gametes
  4. D.Genes
  5. E.Chromosomes
Show the answer and explanation

Answer: D (Genes)

Explanation

Genes are the units that carry hereditary characters from parents to offspring.