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Use the diagram above to answer the question that follows What is the genotypic ratio...

Biology
JAMB 2024

Use the diagram above to answer the question that follows

What is the genotypic ratio of the offspring produced in F\(_1\) generation?

  • A. 2:1:1
  • B. 1:2:1
  • C. 2:2
  • D. 3:1
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Correct Answer: Option B
Explanation

Since offsprings for F\(_1\)  are  AA  AS  AS  SS

Phenotypic ratio :     3: 1

Genotypic ratio : 1 AA  : 2 AS : 1 SS  ⇒  1:  2: 1

There is an explanation video available below.

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Explanation Video

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