If Half of a Population Is Homozygous Recessive, What Is

question 21

Multiple Choice

If half of a population is homozygous recessive, what is p?

• A) 0.5
• B) 0.707
• C) 0.25
• D) 0.293
• E) 0.1 The homozygous recessive genotype = q². So, if q² = 0.5, then q = 0.707. p + q = 1, and therefore p = 0.293.

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Definitions:

Inferior Vena Cava

A large vein that carries deoxygenated blood from the lower and middle body into the heart's right atrium.

Jugular

Relating to the neck or throat, especially with reference to veins that carry blood back to the heart.

Premature Ventricular Contractions (PVCs)

Extra, abnormal heartbeats originating from the ventricles of the heart, which can cause the sensation of a skipped beat or palpitations.

Defibrillator

A medical device used to deliver a therapeutic dose of electrical energy to the heart to treat life-threatening cardiac dysrhythmias, especially ventricular fibrillation and ventricular tachycardia.