passwella.
Menu

WAEC Biology 2008 Question 55

Question 55

Mendelian Inheritance

If red is dominant to white and homozygous red pea-plants are crossed with homozygous white pea-plants, the first filial generation will have

  1. A.2 red flowers, 2 white flowers
  2. B.4 red flowers
  3. C.4 white flowers
  4. D.4 pink flowers.
Show the answer and explanation

Answer: B (4 red flowers)

Explanation

RR × rr gives only Rr offspring, and red is dominant, so all are red.