Your Parents Are Both Heterozygous for the Recessive Disorder Phenylketonuria

question 5

Multiple Choice

Your parents are both heterozygous for the recessive disorder phenylketonuria (PKU) . What is the probability that you will have the disorder?

• A) 25%
• B) 50%
• C) 75%
• D) 100%
• E) 25% if your three siblings are healthy; 75% if your siblings also have the disorder

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Definitions:

Release Bearing

A bearing in a vehicle's clutch system that disengages the clutch from the spinning engine.

Clutch Cover

The protective cover for the clutch assembly in vehicles, which helps to engage and disengage the engine from the drivetrain.

No Clutch Brake

Refers to a transmission design that does not incorporate a clutch pedal for the brake mechanism, often found in automatic or semi-automatic vehicles.

Pressure Plate Spring

Part of a vehicle’s clutch system, providing the necessary force to engage or disengage the clutch plate and the flywheel.