Neco 2018 Biology Question 25
Practice objective / multiple choice question 25 from the 2018 Neco Biology examination.
Two genes \(A\) and \(B\) are linked on the same chromosome in fruit flies with a recombination frequency of 12\%. A fly heterozygous for the cis arrangement \(A^{+}B^{+}/ab\) is test‑crossed with a fly homozygous recessive \(ab/ab\). What percentage of the progeny are expected to display both dominant phenotypes \(A^{+}B^{+}\)?
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About This Question
This is Neco 2018 Biology Question 25. It is one of the objective questions from the 2018 Neco Biology examination.
Difficulty level: Medium .
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