Experimental plant's genotype: FRI/FRI FLC/FLC Environmental treatment: 12 hours light, 8 hours dark, 4 hours far red light; 23C O Late Early Same
Experimental plant's genotype: FRI/FRI FLC/FLC Environmental treatment: 12 hours light, 8 hours dark, 4 hours far red light; 23C O Late Early Same
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:Experimental plant's genotype: FRI/FRI FLC/FLC
Environmental treatment: 12 hours light, 8 hours dark, 4 hours far red light; 23C
Late
Early
Same
Transcribed Image Text:Wild type, rapid-cycling accessions of Arabidopsis, such as the Columbia (COL) lab line will flower 32
days after germination under long day conditions (with a critical photoperiod of 15 hours). What is
the predicted flowering-time response (EARLY, LATE, SAME) of each experimental plant's genotype
(Listed below) relative to the wild-type, rapid-cycling COL line - when both are grown from seed
under the following environmental conditions.
The possible flowering time responses are: EARLY, LATE, SAME., relative to the wild-type COL line
grown in the conditions listed below.
Expert Solution
Step 1
phytochrome
Phytochrome is a pigment complex protein that exist in two form Pr & Pfr
Pr induce flowering in the short day plant while Pfr induce flowering in long day plant.
If we give red light (660 nm ) phytochrome pigment Pr converted into Pfr .
If we give far red light (730 nm ) or dark light phytochrome Pfr converted into Pfr
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