In a breeding program a cross was made between two true breeding cow-pea types: one...

JAMB 1978

In a breeding program a cross was made between two true breeding cow-pea types: one with round seeds and the other with wrinkled seed. If roundness is dominant why wrinkleness is recessive, in the first filial generation all the seeds produced will be

  • A. 25% wrinkled, 75% round
  • B. 100% wrinkled
  • C. 50% wrinkled, 50% round
  • D. 75% wrinkled, 25% round
  • E. 100% round
Correct Answer: Option E
Explanation

Owing to the dominance of roundness, the crossing of the two seeds regularly would see all the offsprings having mixed genes but will be round.


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