Although the Most Frequent Forms of Down Syndrome Are Caused

question 30

Multiple Choice

Although the most frequent forms of Down syndrome are caused by a random error,nondisjunction of chromosome 21,Down syndrome occasionally runs in families.The cause of this form of familial Down syndrome is ________.

• A) an inversion involving chromosome 21
• B) a chromosomal aberration involving chromosome 1
• C) too many X chromosomes
• D) a translocation between chromosome 21 and a member of the D chromosome group
• E) a maternal age effect

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Definitions:

Quantity Standard

Pre-determined measure set for the amount of input that should be used in producing a unit of output.

Standard Cost System

A cost accounting system that uses estimated costs for inventories and cost of goods sold rather than historical costs, facilitating budgeting and variance analysis.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including the cost of materials and labor directly used to create the product.

Standard Cost Variances

The differences between the actual costs incurred and the standard costs, indicating underperformance or overperformance.