A fruit fly of genotype A/a. B/b parent 1 is crossed to another fruit fly of gen
ID: 52089 • Letter: A
Question
A fruit fly of genotype A/a. B/b parent 1 is crossed to another fruit fly of genotype a/a. b/b parent 2. The progeny of this cross were the following genotypes: A/a.B/b 28 offspring, a/a.b/b 27 offspring, A/a.b/b 32 offspring, and a/a.B/b 33 offspring
A) What gametes were produced by parent 1 and in what proportions (or percentages)?
B) Do these proportions demonstrate independent assortment of the two genes? Please provide the value of the statistic for the Chi square test and the associated probability to support your answer. Chi square value =
Explanation / Answer
Answer:
A) The propotions are :
AB: 28%, ab: 27, Ab: 32, aB: 33
B) No, no idependent assortment between genes, 25% independent assortment is not observed.