Homozyogous wild type male Drosophila PPQQRRSSTTUUVV (all linked) are irradiated to induce the formation of chromosomal deletions and then mated with homozygous recessive females. In several of these matings a unique pattern of pseudodominance could be correlated with the loss of specific polytene chromosome bands, as shown in the table... Cross Chromosomal Bands Deleted Pattern of Pseudodominance PqRs TuV 1 2 3 4 5 5-6 1-2 3-5 6-8 1-3 PQRSTUV PqrSTUV PQRSTUV pQrSTUV In which chromosomal band is gene R located? A. 3 OB. 4 OC. 2 D.8 O E. none of these answers are correct

Human Heredity: Principles and Issues (MindTap Course List)
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Author:Michael Cummings
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Chapter12: Genes And Cancer
Section: Chapter Questions
Problem 1QP: Theodor Boveri predicted that malignancies would often be associated with chromosomal mutation. What...
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Homozyogous wild type male Drosophila PPQQRRSSTTUUVV (all linked) are irradiated to induce the formation of chromosomal deletions and then
mated with homozygous recessive females. In several of these matings a unique pattern of pseudodominance could be correlated with the loss of specific
polytene chromosome bands, as shown in the table...
Cross Chromosomal Bands Deleted
Pattern of Pseudodominance
PqRs TuV
1
2
3
4
5
5-6
1-2
3-5
6-8
1-3
PQRSTUV
PqrSTUV
PQRSTUV
pQrSTUV
In which chromosomal band is gene R located?
A. 3
OB. 4
OC. 2
D.8
O E. none of these answers are correct
Transcribed Image Text:Homozyogous wild type male Drosophila PPQQRRSSTTUUVV (all linked) are irradiated to induce the formation of chromosomal deletions and then mated with homozygous recessive females. In several of these matings a unique pattern of pseudodominance could be correlated with the loss of specific polytene chromosome bands, as shown in the table... Cross Chromosomal Bands Deleted Pattern of Pseudodominance PqRs TuV 1 2 3 4 5 5-6 1-2 3-5 6-8 1-3 PQRSTUV PqrSTUV PQRSTUV pQrSTUV In which chromosomal band is gene R located? A. 3 OB. 4 OC. 2 D.8 O E. none of these answers are correct
Continuing the previous deletion/pseudodominance problem, in which band is gene U located?
OA. 4
B.2
O C.3
D.7
O E. none of these answers is correct
Transcribed Image Text:Continuing the previous deletion/pseudodominance problem, in which band is gene U located? OA. 4 B.2 O C.3 D.7 O E. none of these answers is correct
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