With Reference to Imprinting Disorders, Which, If Any, of the Following

question 30

Multiple Choice

With reference to imprinting disorders, which, if any, of the following statements is false?

• A) About one quarter of individuals with Angelman syndrome lack a paternal chromosome 15.
• B) With the exception of abnormal chromosome segregation, imprinting disorders always result from a deletion or inactivating mutation within, or spanning the imprinted gene cluster.
• C) In some imprinting disorders, disease results from inappropriate biallelic expression of a gene.
• D) Angelman and Prader-Willi syndrome are very different disorders but can be caused by precisely the same large deletion at 15q11-q13.

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Definitions:

Marginal Benefit

Marginal Benefit refers to the additional satisfaction or utility that a person receives from consuming an extra unit of a good or service.

Marginal Cost

Marginal cost describes the increase in total cost that arises from producing one more unit of a particular good or service.

Economic Perspective

A viewpoint that envisions individuals and institutions making rational decisions by comparing the marginal benefits and marginal costs associated with their actions.

Productive Resources

Inputs used in the production of goods and services, including labor, capital, and natural resources.