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8-9. White eyes (w) is sex-linked and recessive in Drosophila. Cruved wings(cu) and black body (b) are autosomal recessive alleles on the same chromosome, separated by 20 map units. If one breeds a homozygous white, curved winged female fly toa homozygous black male fly to produce an F1, and inbreeds the F1 males and females, at what frequency is a phenotypically wild-type male expected? (note: male flies do not cross over) es A. 0.25 B.0.05 C.0.10 D.0.20 E.0.125 9. A wild-type (phenotypically) F1 female from the first cross above is crossed to a phenotypically white, curved winged, black male. At what frequency would you expect to observe phenotypically wild-type male progeny? B. 0.25 B.0.05 C.O.10 D. 0.20 E.0.125

8-9. White eyes (w) is sex-linked and recessive in Drosophila. Cruved wings(cu) and black body (b) are autosomal recessive alleles on the same chromosome, separated by 20 map units. If one breeds a homozygous white, curved winged female fly toa homozygous black male fly to produce an F1, and inbreeds the F1 males and females, at what frequency is a phenotypically wild-type male expected? (note: male flies do not cross over) es A. 0.25 B.0.05 C.0.10 D.0.20 E.0.125 9. A wild-type (phenotypically) F1 female from the first cross above is crossed to a phenotypically white, curved winged, black male. At what frequency would you expect to observe phenotypically wild-type male progeny? B. 0.25 B.0.05 C.O.10 D. 0.20 E.0.125

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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8-9. White eyes (w) is sex-linked and recessive in Drosophila. Cruved wings(cu) and black body (b) are autosomal recessive alleles on the same chromosome, separated by 20 map units. If one breeds a homozygous white, curved winged female fly toa homozygous black male fly to produce an F1, and inbreeds the F1 males and females, at what frequency is a phenotypically wild-type male expected? (note: male flies do not cross over) es A. 0.25 B.0.05 C.0.10 D.0.20 E.0.125 9. A wild-type (phenotypically) F1 female from the first cross above is crossed to a phenotypically white, curved winged, black male. At what frequency would you expect to observe phenotypically wild-type male progeny? B. 0.25 B.0.05 C.O.10 D. 0.20 E.0.125
Transcribed Image Text:8-9. White eyes (w) is sex-linked and recessive in Drosophila. Cruved wings(cu) and black body (b) are autosomal recessive alleles on the same chromosome, separated by 20 map units. If one breeds a homozygous white, curved winged female fly toa homozygous black male fly to produce an F1, and inbreeds the F1 males and females, at what frequency is a phenotypically wild-type male expected? (note: male flies do not cross over) es A. 0.25 B.0.05 C.0.10 D.0.20 E.0.125 9. A wild-type (phenotypically) F1 female from the first cross above is crossed to a phenotypically white, curved winged, black male. At what frequency would you expect to observe phenotypically wild-type male progeny? B. 0.25 B.0.05 C.O.10 D. 0.20 E.0.125
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