Genetics 301 Quiz #5
Spring 2003, Class week 5
- Diagram the four products of crossing over within the inversion, and between d and e, for individuals heterozygous for the following pericentric inversion, where —cen — represents the position of the centromere. (5 pts).
abc —cen —def
aed —cen—cbf
abc — cen — def noncrossover
aed —cen—cbf noncrossover
abc —cen—dea crossover
fbc —cen—def crossover
- Place the following genetic markers in relative order on a bacterial genetic map, based on the following co-transformation percentage results (5 pts).
a with b 30
b with c 10
c with d 0
a with c 3
a with d 10
b with d 2
d -------a–b-------c