MetroPCS LTE 8:08 PM session.masteringgenetics.com Sex Determingtion/Linkage Pro

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MetroPCS LTE 8:08 PM session.masteringgenetics.com Sex Determingtion/Linkage Problem 42 in Drosophila, the XArked recessive mutation vermilion or ) causes bright red eyesin contrast to the brick-red eyes of wild type (X") A separate autosomal recessive mutation (bri, causes the eyes to be brown Flies carrying both mutations lose all pigmentation and are white-eyed Part A Predict the Fi results of the following cross : vermion females x brown males Assume that the parents are homozygous) Label the diagram by dragging the labels to the appropriate targets. Note: Not all labels will be used. female acenual female, brown eyes female, vemuliou eyes female, white eyes male. Ianna male, brown eyes male, vermilion eyes 11ale wtae eyes Part B This question will be shown after you compiete previous questions) Part C This question will be shown aher you complete previous question(s) Part D This question will be shown after you complete previous question(s) Parr This e,ostor, wil be shown aner you completo previous question(s). Part F his will be shown after you complete previous questions Provide Feedback

Explanation / Answer

(a) For vermillion, v the female is XvXv and the male X+Y. The female produces all Xv gametes and the males either X+ or Y. F1 females will be all X+Xv and the males will all be XvY.

For brown, b females are ++ and males bb. F1 of both sexes will be +b.

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