Sapling Learning a geneticist is using a three-point testcross to map ed f, w, a

Question

Sapling Learning a geneticist is using a three-point testcross to map ed f, w, and b, where f is associated with abnormally fast movement: wis associated with wavy movement pattern; and b is associated with broad wings. The geneticist first crosses flies to homozygous fast, wavy flies. Next, he testcrosses the Fi progeny to fast, wavy, broad parents and obtains the following results. Based on this data, select the order of the three genes fast, wavy wavy fast, broad fast 607 607 219 225 213 fast, wavy, broad wild type Answer Next

Explanation / Answer

The order of three genes is " b f w ". It is based on their phenotypic dominance number of (F1).

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