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WAEC Agricultural Science 2001 Question 35

Question 35

Basic Genetics

The diagram shows the crossing of a long fruited tomato (L) with a round fruited tomato plant (l). What will be the genotype ratio of the second filial generation?

Diagram for this question
  1. A.3:1
  2. B.1:3
  3. C.1:2:1
  4. D.1:1:2
Show the answer and explanation

Answer: C (1:2:1)

Explanation

Ll × Ll gives LL : Ll : ll in a 1 : 2 : 1 ratio.