Tay-Sachs Disease

question 139

Multiple Choice

Tay-Sachs disease

• A) is controlled by a simple recessive gene.
• B) is a sex-linked disease more common in males.
• C) occurs only in those individuals that receive two copies of a defective recessive gene.
• D) is the result of the failure of chromosomes to separate so that an individual receives three instead of two chromosomes.
• E) depends on which parent passes the gene to the child.

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