Question 5 In a rare variety of orchid pink flowers (P) are dominant over green and the presence of black spots (S) is dominant over no spots. These two genes responsible for petal colouring are both located on Chromosome 2. Two pink spotted plants are crossed and the phenotypes of the F1 plants are recorded as follows: Pink, spotted: 144 Pink, un-spotted: 9 P Green, spotted: 7 P (pink) Green, un-spotted: 37 What are the genotypes of the P generation? (green) S ро S (spats) PP ss 3( no - spots) O to Ps//pS x Ps//pS PS//PS x PS//ps pS//Ps x PS//ps PS- PS//ps x PS//ps M PS Ps =X PS Ps
Question 5 In a rare variety of orchid pink flowers (P) are dominant over green and the presence of black spots (S) is dominant over no spots. These two genes responsible for petal colouring are both located on Chromosome 2. Two pink spotted plants are crossed and the phenotypes of the F1 plants are recorded as follows: Pink, spotted: 144 Pink, un-spotted: 9 P Green, spotted: 7 P (pink) Green, un-spotted: 37 What are the genotypes of the P generation? (green) S ро S (spats) PP ss 3( no - spots) O to Ps//pS x Ps//pS PS//PS x PS//ps pS//Ps x PS//ps PS- PS//ps x PS//ps M PS Ps =X PS Ps
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:Question 5
In a rare variety of orchid pink flowers (P) are dominant over green
and the presence of black spots (S) is dominant over no spots. These
two genes responsible for petal colouring are both located on
Chromosome 2. Two pink spotted plants are crossed and the
phenotypes of the F1 plants are recorded as follows:
Pink, spotted: 144
Pink, un-spotted: 9
P Green, spotted: 7
P (pink)
Green, un-spotted: 37
What are the genotypes of the P generation? (green)
S
ро
s (spats)
Ps//pS x Ps//pS
Ppss
3( no- spots
to
PS//PS x PS//ps
pS//Ps x PS//ps
PS//ps x PS//ps
PS-
PS
PS
Ex
PS
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