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| Teaching Since: | Apr 2017 |
| Last Sign in: | 327 Weeks Ago, 4 Days Ago |
| Questions Answered: | 12843 |
| Tutorials Posted: | 12834 |
MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
3) There is a mutation that causes a Drosophila to have Bar-shaped eyes (as opposed to the round eyes seen in wild-type flies). Crosses using flies with the Bar-eyed mutation give the following results:
 i) A male with Bar-eyes crossed to a wild-type female produces only wild-type sons and Bar–eyed daughters.
ii) The Bar-eyed daughters from the cross in i) when crossed to wild-type males have offspring with the following phenotypes in ratios of 1:1:1:1
Â
           Bar-eyed sons: wild-type sons: Bar-eyed Daughters: wild-Type Daughters
Â
A) Define allele symbols for the Bar Mutation based upon the inheritance data show above in i) and ii)Â ANDÂ draw a Punnett square that would explain the results of the cross shown in ii) (3 points)
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