Waec Model Questions Vol1 2017 Biology Question 25

Practice objective / multiple choice question 25 from the 2017 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2017 Biology Objective / Multiple Choice Medium Difficulty
Question 25 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • objective

In peas, two genes are linked on the same chromosome: gene A (tall T dominant over dwarf t) and gene B (yellow Y dominant over green y). The recombination frequency between them is 10 %. A plant heterozygous for both genes (TtYy) is test‑crossed with a homozygous recessive plant (ttyy). What is the probability (as a percentage) that an offspring will be tall and green (phenotype T y)?

Answer Options

A. 20
Correct Answer B. 5
C. 10
D. 15
Correct Answer
B
Correct Option:
5

About This Question

This is Waec Model Questions Vol1 2017 Biology Question 25. It is a objective / multiple choice question from the 2017 Waec Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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