An Autosomal Recessive Disorder

question 6

Multiple Choice

An autosomal recessive disorder:

• A) is characterized by a 50% chance of an individual having the disease phenotype if the parents are heterozygous for the trait.
• B) is defined as one in which there is a mutation in both alleles encoding for a specific enzyme/transporter.
• C) affects males approximately 25% more than females because the allele is present on the X chromosome.
• D) is one in which parents of diseased offspring are carriers of the condition in that they carry two mutant alleles.

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Definitions:

Poor Blood Circulation

Poor blood circulation is a condition characterized by reduced blood flow to parts of the body, leading to symptoms like numbness, pain, and muscle cramps.

Sleep Dystonia

A disorder characterized by abnormal muscle tone and spasms occurring during sleep.

Caffeine

A stimulant commonly found in coffee, tea, soda, and chocolates, known to affect the central nervous system by increasing alertness and reducing fatigue.

REM Sleep

A phase of sleep characterized by rapid eye movement, during which vivid dreams commonly occur.