The P and p, and Q and q alleles are completely dominant and recessive, and there are no interactions between genes P and Q. What phenotypic ratio would you expect in the F₂?
The P and p, and Q and q alleles are completely dominant and recessive, and there are no interactions between genes P and Q. What phenotypic ratio would you expect in the F₂?
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:The P and Q genes of a plant are 20 m.u. apart. A PP
QQ and a pp qq individual cross, and the F₁ cross with
each other to produce the F2.
The P and p, and Q and q alleles are completely
dominant and recessive, and there are no interactions
between genes P and Q. What phenotypic ratio would
you expect in the F₂?
16 P- Q- 66 P- qq :9 pp Q- :9 pp qq
:
1 P-Q-1 P- qq : 1 pp Q: 1 pp qq
66 P- Q-9 P- qq : 9 pp Q-:16 pp qq
O 9 P-Q- : 3 P- qq: 3 pp Q: 1 pp qq
O 74 P-Q-:5 P- qq: 5 pp Q-:16 pp qq
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