In the experiment described in Figure 4.9, Morgan obtained awhite-eyed male fly in a population containing many red-eyedflies that he thought were true-breeding. The figure says that hecrossed this fly with a red-eyed female, and all the offspring hadred eyes. But actually this is not quite true. Morgan observed 1237red-eyed flies and 3 white-eyed males. Provide two or more explanationswhy he obtained 3 white-eyed males in the F1 generation. Experimental levelConceptual levelL. Cross the white-eyed male to atrue-breeding redeyed femak.X"Y x X*X*P generation2. Record the results of the F1 generation.This involves noting the eye color andsex of many offs pringX*Ymak offspring andXXkmaleoffspring, both with red eyesF1 generation3. Cross F1 offspring with cach other toobtain F2 offs pring Also record thecye color and sex of the F2 offspringF2 generationI edeyed make : 1 whie-eyed male:2 redeyed females4. In a separate experiment, perfom atestcross between a whiteeyed malefrom the F2 generation and aredeyed femak from the F1generation. Record the results.1 ædeyed make : I whiteeyed make :1 ædeyed femak : 1 white-cyed kmake

Name: In the experiment described in Figure 4.9, Morgan obtained awhite-eyed
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Description: In the experiment described in Figure 4.9, Morgan obtained awhite-eyed male fly in a population containing many red-eyedflies that he thought were true-breeding. The figure says that hecrossed this fly with a red-eyed female, and all the offspring ha

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In the experiment described in Figure 4.9, Morgan obtained a
white-eyed male fly in a population containing many red-eyed
flies that he thought were true-breeding. The figure says that he
crossed this fly with a red-eyed female, and all the offspring had
red eyes. But actually this is not quite true. Morgan observed 1237
red-eyed flies and 3 white-eyed males. Provide two or more explanations
why he obtained 3 white-eyed males in the F1 generation.

Experimental level
Conceptual level
L. Cross the white-eyed male to a
true-breeding redeyed femak.
X"Y x X*X*
P generation
2. Record the results of the F1 generation.
This involves noting the eye color and
sex of many offs pring
X*Ymak offspring andXXkmale
offspring, both with red eyes
F1 generation
3. Cross F1 offspring with cach other to
obtain F2 offs pring Also record the
cye color and sex of the F2 offspring
F2 generation
I edeyed make : 1 whie-eyed male:
2 redeyed females
4. In a separate experiment, perfom a
testcross between a whiteeyed male
from the F2 generation and a
redeyed femak from the F1
generation. Record the results.
1 ædeyed make : I whiteeyed make :
1 ædeyed femak : 1 white-cyed kmake

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