Could the Characteristics Followed in the Pedigree Be Caused by an X-Linked

question 3

Multiple Choice

Could the characteristics followed in the pedigree be caused by an X-linked recessive allele?

• A) Yes, all individuals fit the X-linked recessive inheritance pattern.
• B) No, the offspring of I-1 and I-2 contradict an X-linked recessive inheritance.
• C) No, the offspring of I-3 and I-4 contradict an X-linked recessive inheritance.
• D) No, the offspring of II-3 and II-4 contradict an X-linked recessive inheritance.
• E) Possibly, but I-4 would have to be a heterozygous carrier if there is X-linked inheritance.

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Definitions:

Unconsciously

Without conscious awareness; occurring in the mind without one's conscious recognition or realization.

Feature Detector

Neurons in the brain that respond to specific attributes or patterns, such as shapes, angles, or movement.

Visual Cortex

The portion of the cerebral cortex responsible for processing visual data, situated at the brain's rear.

Retina

The layer of tissue at the eye's rear that is sensitive to light, which converts light into neural signals for vision.