Waec Model Questions Vol1 2017 Biology Question 25
Practice objective / multiple choice question 25 from the 2017 Waec Model Questions Vol1 Biology examination.
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)?
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This is Waec Model Questions Vol1 2017 Biology Question 25. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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