If Carrier Testing Determines That One Parent Is a Heterozygous

question 15

Short Answer

If carrier testing determines that one parent is a heterozygous carrier of an autosomal recessive genetic defect,while the other parent is not a carrier,then the fetus has a(n)____________________ % chance of being affected.

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Definitions:

Sensory Adaptation

The process by which a person becomes less sensitive to a stimulus after prolonged exposure.

Signal Detector

A device or system designed to detect the presence of, or changes in, physical or other indicators, often used in the context of safety or communication systems.

Sensory Adaptation

The process by which sensory receptors become less sensitive to constant stimuli over time.

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time, also known as the just noticeable difference.