Neco Model Questions Vol1 2020 Biology Question 3
Practice objective / multiple choice question 3 from the 2020 Neco Model Questions Vol1 Biology examination.
In a plant two genes are linked on the same chromosome: gene \(A\) (tall \(A\) dominant, dwarf \(a\) recessive) and gene \(B\) (green \(B\) dominant, yellow \(b\) recessive). The recombination frequency between them is \(10\%\). A heterozygous plant \(AaBb\) is crossed with a homozygous recessive plant \(aabb\). Assuming the parental gametes \(AB\) and \(ab\) each constitute \(45\%\) of the heterozygote's gametes and the recombinant gametes \(Ab\) and \(aB\) each constitute \(5\%\), what percentage of the offspring are tall (regardless of colour)?
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This is Neco Model Questions Vol1 2020 Biology Question 3. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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