passwella.
Menu

JAMB Biology 2002 Question 45

Question 45

Mendelian Inheritance

To select and retain the desirable trait of large body size which a farmer has observed in his herd, the farmer needs to

  1. A.feed the animals in the herd with more food
  2. B.cross-breed his animals with a different herd
  3. C.inbreed the animals in his herd
  4. D.prevent diseases in his herd.
Show the answer and explanation

Answer: C (inbreed the animals in his herd)

Explanation

Breeding animals that already have the trait with each other (inbreeding) keeps and fixes that trait in the herd. Crossing with another herd would mix in other genes.