Neco Model Questions Vol1 2024 Biology Question 25

Practice objective / multiple choice question 25 from the 2024 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2024 Biology Objective / Multiple Choice Medium Difficulty
Question 25 NECO_MODEL_QUESTIONS_VOL1 • 2024 • BIOLOGY • objective

Two genes, \(A\) and \(B\), are linked on the same chromosome with a recombination frequency of 10%. An individual heterozygous \(AaBb\) is test‑crossed with a homozygous recessive \(aabb\). What phenotypic ratio (in simplest whole‑number form) is expected among the offspring?

Answer Options

A. 9:9:2:2
B. 9:1:9:1
Correct Answer C. 9:9:1:1
D. 8:8:1:1
Correct Answer
C
Correct Option:
9:9:1:1

About This Question

This is Neco Model Questions Vol1 2024 Biology Question 25. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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