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Unformatted text preview: generation. 8.The genotypes are: PpSwsw Ppswsw ppSwsw ppswsw Ratio: 1:1:1:1 The phenotypes are: wild eye, long wing pink eye, long wing wild eye, short wing pink eye, short wing Ratio: 1:1:1:1 9 a . 1 black:2 blue:1 splashed white 9 b .Always cross black with splashed white. 10 a . w + > w e > w 10 b . Parents w e w and w + Y . Progeny w + w e , w + w , w e Y , and w Y . 11. All will have normal vision because they inherit dads wild-type X chromosome, but half of them will be carriers. 12. Agouti parent AaBb . Albino offspring aaBb and aabb ; black offspring Aabb ; agouti offspring AaBb . 13. Because the gene is carried on mitochondrial DNA, it is passed through the mother only. Thus if the woman does not have the disease but her husband does, their child will not be affected. On the other hand, if the woman has the disease but her husband does not, their child will have the disease....
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This note was uploaded on 10/08/2010 for the course MCDB MCDB 1A taught by Professor Senghuilow during the Summer '09 term at UCSB.
- Summer '09