With Respect to the Alleles for Sickle Cell Anemia, Which

question 51

Multiple Choice

With respect to the alleles for sickle cell anemia, which genotype(s) is (are) at a disadvantage to persons residing in tropical areas of Africa?

• A) Heterozygous
• B) Homozygous dominant
• C) Homozygous recessive
• D) Both heterozygous and homozygous dominant
• E) Both homozygous dominant and homozygous recessive

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Definitions:

M'Naghten Rule

A legal standard used to determine whether a defendant was sane at the time of committing a crime, focusing on their ability to understand right from wrong.

Insanity

A legal term for a mental disorder so severe that it prevents a person from understanding the difference between right and wrong or from being able to control their actions.

Systematic Desensitization

A behavioral therapy technique used to help individuals overcome phobias and anxieties by gradually exposing them to the feared object or context without any danger.

Phobia

An intense, irrational fear of a specific object, situation, or activity that leads to significant anxiety and avoidance behaviors.