A Man with Trisomy 21 Could Pass Down Syndrome to Offspring

question 7

Multiple Choice

A man with trisomy 21 could pass Down syndrome to offspring if he

• A) produces sperm that have two copies of chromosome 21.
• B) produces sperm lacking chromosome 21.
• C) also has Turner syndrome.
• D) is a carrier of a deletion for chromosome 21.
• E) drinks too much alcohol just before the child is conceived.

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Definitions:

Reciprocity

A mutual exchange of privileges or interactions between two parties, often used in trade and negotiations.

Sales Representative

A professional responsible for selling products or services to customers, often requiring negotiation skills and in-depth knowledge of the items offered.

Supply Manager

A professional responsible for overseeing and managing a company’s procurement of necessary materials and goods to manufacture products or provide services.

Common Law

A legal system characterized by the development of law through judicial decisions and precedents, as opposed to statutory laws enacted by a legislative body.