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Nanos is another maternal-effect gene in Drosophila that controls anterior/posterior axis formation. Recessive mutations in nanos can result in larvae that have no posterior segments, and thus are embryonic lethal. nos+ is the wild-type nanos allele is the recessive mutant nanos allele nos Suppose a nos+/nos female is crossed with a nos/nos male. Both are phenotypically wild-type. www www 5. What genotype and phenotype ratios would you expect in the F1 generation?

Nanos is another maternal-effect gene in Drosophila that controls anterior/posterior axis formation. Recessive mutations in nanos can result in larvae that have no posterior segments, and thus are embryonic lethal. nos+ is the wild-type nanos allele is the recessive mutant nanos allele nos Suppose a nos+/nos female is crossed with a nos/nos male. Both are phenotypically wild-type. www www 5. What genotype and phenotype ratios would you expect in the F1 generation?

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
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Nanos is another maternal-effect gene in Drosophila that controls anterior/posterior axis formation. Recessive mutations in nanos can result in larvae that have no posterior segments, and thus are embryonic lethal. nos+ is the wild-type nanos allele nos is the recessive mutant nanos allele Suppose a nos+/nos female is crossed with a nos/nos male. Both are phenotypically wild-type. www 5. What genotype and phenotype ratios would you expect in the F1 generation?
Transcribed Image Text:Nanos is another maternal-effect gene in Drosophila that controls anterior/posterior axis formation. Recessive mutations in nanos can result in larvae that have no posterior segments, and thus are embryonic lethal. nos+ is the wild-type nanos allele nos is the recessive mutant nanos allele Suppose a nos+/nos female is crossed with a nos/nos male. Both are phenotypically wild-type. www 5. What genotype and phenotype ratios would you expect in the F1 generation?
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