In Arabidopsis, it is well-known that a pulse of full-spectrum light during the night (in an otherwiselong night) will induce flowering. This suggests that plants measure the length of night, and not thelength of day.If the pulse of light during the night was blue light instead of full spectrum light, what would be theflowering time response of a plant with a knockout in cry2 (relative to wild type in the sameconditions)? Explain.

Answered: In Arabidopsis, it is well-known that a…

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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In Arabidopsis, it is well-known that a pulse of full-spectrum light during the night (in an otherwise
long night) will induce flowering. This suggests that plants measure the length of night, and not the
length of day.
If the pulse of light during the night was blue light instead of full spectrum light, what would be the
flowering time response of a plant with a knockout in cry2 (relative to wild type in the same
conditions)? Explain.

Expert Solution

Step 1

Introduction:- The flowering plants ( angiosperms) requires light for their growth and especially for their flowering. The amount and intensity of light requirements for different flowering plants varies. And flowering plants are categorised into different categories based upon the requirements of light - long day plants, short day plants ( long night plants) and the day neutral plants. Along with the factors such as light duration and intensity, other factors like the expression of particular genes are required for the flowering in plants.

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