Genes A/a and B/b are linked on the same chromosome with a recombination frequency of 10 %. An individual heterozygous for both genes (AaBb) is test‑crossed with a double recessive (aabb). What phenotypic ratio is expected among the offspring?

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45:45:5:5 (A‑B‑ : a‑b‑ : A‑b‑ : a‑B‑)

Waec Model Questions Vol1 2022 Biology Question 35

Genes A/a and B/b are linked on the same chromosome with a recombination frequency of 10 %. An individual heterozygous for both genes (AaBb) is test‑crossed with a double recessive (aabb). What phenotypic ratio is expected among the offspring?

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Waec Model Questions Vol1 2022 Biology Question 35

Genes A/a and B/b are linked on the same chromosome with a recombination frequency of 10 %. An individual heterozygous for both genes (AaBb) is test‑crossed with a double recessive (aabb). What phenotypic ratio is expected among the offspring?

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Genes A/a and B/b are linked on the same chromosome with a recombination frequency of 10 %. An individual heterozygous for both genes (AaBb) is test‑crossed with a double recessive (aabb). What phenotypic ratio is expected among the offspring?