Igcse Model Questions Vol1 2022 Biology Question 10
Practice objective / multiple choice question 10 from the 2022 Igcse Model Questions Vol1 Biology examination.
In pea plants two genes are linked on the same chromosome: gene A controls plant height (A = tall, a = dwarf) and gene B controls pod colour (B = yellow, b = green). The recombination frequency between the genes is \(10\%\). A plant heterozygous for both genes in coupling phase (genotype A B / a b) is self‑fertilised. What proportion of the offspring are expected to display the dwarf, green‑pod phenotype (a b)? Express your answer as a percentage to one decimal place.
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This is Igcse Model Questions Vol1 2022 Biology Question 10. It is one of the objective questions from the 2022 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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