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WAEC Biology 2006 Question 54

Question 54

Mendelian Inheritance

If a heterozygous red flowered plant, (Rr) was self fertilized, the offspring would be expected to be

  1. A.all red flowered plants
  2. B.all white flowered plants
  3. C.red flowered, white flowered plants
  4. D.white flowered red flowered plants
Show the answer and explanation

Answer: C (red flowered, white flowered plants)

Explanation

Rr × Rr gives RR, Rr, Rr and rr, so three red-flowered plants to one white-flowered plant.