In a certain variety of butterflies, gene F is dominantly epistatic to gene G in determining the length of time the insect will spend in the pupa stage before emerging as an adult. These butterflies can spend a prolonged, normal, or brief period of time in the pupa stage. Scoring the pupa-stage phenotypes of progeny from a cross of two dihybrid butterflies resulted in the informative phenotypic ratio of: 1 prolonged : 12 normal : 3 brief Based on this information, what phenotypic ratio is expected from a cross of: Blank #1: FF gg x ff Gg? Blank #2: ff Gg x ff Gg?
In a certain variety of butterflies, gene F is dominantly epistatic to gene G in determining the length of time the insect will spend in the pupa stage before emerging as an adult. These butterflies can spend a prolonged, normal, or brief period of time in the pupa stage. Scoring the pupa-stage phenotypes of progeny from a cross of two dihybrid butterflies resulted in the informative phenotypic ratio of: 1 prolonged : 12 normal : 3 brief Based on this information, what phenotypic ratio is expected from a cross of: Blank #1: FF gg x ff Gg? Blank #2: ff Gg x ff Gg?
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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Transcribed Image Text:In a certain variety of butterflies, gene F is dominantly epistatic to gene G in
determining the length of time the insect will spend in the pupa stage before
emerging as an adult. These butterflies can spend a prolonged, normal, or brief
period of time in the pupa stage.
Scoring the pupa-stage phenotypes of progeny from a cross of two dihybrid
butterflies resulted in the informative phenotypic ratio of:
1 prolonged : 12 normal : 3 brief
Based on this information, what phenotypic ratio is expected from a cross of:
Blank #1: FF gg x ff Gg?
Blank #2: ff Gg x ff Gg?
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