Gce Model Questions Vol1 2022 Biology Question 30

Practice objective / multiple choice question 30 from the 2022 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2022 Biology Objective / Multiple Choice Medium Difficulty
Question 30 GCE_MODEL_QUESTIONS_VOL1 • 2022 • BIOLOGY • objective

In peas, genes A/a (seed shape) and B/b (seed colour) are linked on the same chromosome with a recombination frequency of 12 %. A plant heterozygous for both genes (AaBb) is crossed with a homozygous recessive plant (aabb). Determine the expected phenotypic percentages of the offspring and state the total percentage that are recombinants.

Answer Options

A. 44% round yellow, 44% wrinkled green, 8% round green, 4% wrinkled yellow; recombinants 12%
Correct Answer B. 44% round yellow, 44% wrinkled green, 6% round green, 6% wrinkled yellow; recombinants 12%
C. 48% round yellow, 48% wrinkled green, 2% round green, 2% wrinkled yellow; recombinants 12%
D. 40% round yellow, 40% wrinkled green, 10% round green, 10% wrinkled yellow; recombinants 20%
Correct Answer
B
Correct Option:
44% round yellow, 44% wrinkled green, 6% round green, 6% wrinkled yellow; recombinants 12%

About This Question

This is Gce Model Questions Vol1 2022 Biology Question 30. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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