Biology, 28.02.2020 03:29 KArrington815
In a series of two-point map crosses involving ve genes located on chromosome II in Drosophila, the following
recombinant (single-crossover) frequencies were observed:
Pr–adp 29
pr–vg 13
pr–c 21
pr–b 6
adp–b 35
adp–c 8
adp–vg 16
vg–b 19
vg–c 8
c–b 27
(a) If the adp gene is present near the end of chromosome II (locus 83), construct a map of these genes.
(b) In another set of experiments, a sixth gene (d) was tested against b and pr, and the results were d − b = 17% and d − pr
= 23%. Predict the results of two-point maps between d and c, d and vg, and d and adp.
Answers: 2
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In a series of two-point map crosses involving ve genes located on chromosome II in Drosophila, the...
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