Which of the Following Does Not Characterize the Per Gene

question 87

Multiple Choice

Which of the following does not characterize the per gene?

• A) It controls duration of the circadian rhythm in fruit flies.
• B) When mutated, it can alter behavioral phenotype.
• C) It is highly conserved in diverse organisms.
• D) Variants of this gene cause either short or long circadian periods.
• E) In humans, a variant causes familial advanced phase sleep syndrome in which circadian rhythms are abolished.

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Definitions:

Platelets

Small blood cells that play a crucial role in blood clotting and wound healing processes.

Red Blood Cells

Cells in the blood that carry oxygen from the lungs to the body's tissues and carbon dioxide back to the lungs.

Erythroblastosis Fetalis

A potentially fatal blood disorder in newborns caused by incompatibility between the blood types of the mother and child.

RhoGAM

A medication that prevents an Rh-negative mother from making antibodies against the Rh antigen.