The majority of organisms exhibit a circadian rhythm, a cycling of biological processes that are generally harmonized with day length (e.g., jet lag arises in humans when rapid movement between time zones causes established circadian rhythms to be out of synch with daylight hours). In Drosophila, pupae eclose (appear as adults after metamorphosis) at the time of dawn. Using this information, Outline the screening method for Drosophila mutants that have an impaired circadian rhythm. In majority of plants, such as Arabidopsis , genes whose encoded products have roles linked to photosynthesis have expression patterns that differ in a circadian manner. Using this information, outline the screening method for Arabidopsis mutants that have an impaired circadian rhythm. Analyze the method for cloning of the genes that are identified by mutation. Introduction: A circadian rhythm is a natural process that is present in most living organisms. It is a biological process that regulates the wake-sleep cycle and repeats the cycle every 24 hours. This 24 hour cycle is driven by a circadian clock. The study of circadian clock is known as chronobiology. It is widely seen in animals, fungi , plants, and cyanobacteria. Circadian rhythms are endogenous but are adjusted to the local environment by light and temperature.

Question

Want to see the full answer?

Answer 1

Question

Chapter 14, Problem 28P

Summary Introduction

To analyze:

The majority of organisms exhibit a circadian rhythm, a cycling of biological processes that are generally harmonized with day length (e.g., jet lag arises in humans when rapid movement between time zones causes established circadian rhythms to be out of synch with daylight hours). In Drosophila, pupae eclose (appear as adults after metamorphosis) at the time of dawn. Using this information,

Outline the screening method for Drosophila mutants that have an impaired circadian rhythm.

In majority of plants, such as Arabidopsis, genes whose encoded products have roles linked to photosynthesis have expression patterns that differ in a circadian manner. Using this information, outline the screening method for Arabidopsis mutants that have an impaired circadian rhythm.

Analyze the method for cloning of the genes that are identified by mutation.

Introduction:

A circadian rhythm is a natural process that is present in most living organisms. It is a biological process that regulates the wake-sleep cycle and repeats the cycle every 24 hours. This 24 hour cycle is driven by a circadian clock. The study of circadian clock is known as chronobiology. It is widely seen in animals, fungi, plants, and cyanobacteria. Circadian rhythms are endogenous but are adjusted to the local environment by light and temperature.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

would this be considered a novel protein and if not how can I fix it so it is and can you draw the corrections please

In as much detail as possible, hand draw a schematic diagram of the hypothalamic-pituitary- gonad (HPG) axis in the human male. Be sure to include all the relevant structures and hormones. You must define all abbreviations the first time you use them. Please include (and explain) the feedback loops.

A negligence action was brought by a mother against a hospital on behalf of her minor daughter. It alleged that when the mother was 13 years of age, the hospital negligently transfused her with Rh-positive blood. The mother's Rh-negative blood was incompatible with and sensitized by the Rh-positive blood. The mother discovered her condition 8 years later during a routine blood screening ordered by her healthcare provider in the course of prenatal care. The resulting sensitization of the mother's blood allegedly caused damage to the fetus, resulting in physical defects and premature birth. Did a patient relationship with the transfusing hospital exist?