There Are Genes on the X Chromosome That Manage to Escape

question 58

Multiple Choice

There are genes on the X chromosome that manage to escape inactivation by an as yet unknown mechanism.What particular genes are included in this group and what might be the reason that they remain activated?

• A)genes that are missing from the X chromosome; they will be expressed equally in both sexes
• B)genes that are also present on the Y chromosome; they will be expressed equally in both sexes
• C)genes that are also found on Chromosome 1; they will be expressed equally in both sexes
• D)centromere genes; so that all cells will be able to attach to the spindle
• E)centromere genes; they will be expressed equally in both sexes

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Definitions:

Surplus Federal Budget

A situation where the federal government's revenues exceed its expenditures within a given fiscal period.

National Saving

The total saving of a country, composed of the savings accumulated by both the private sector and the government, available for investment.

Aggregate Demand

A complete tally of the demand for goods and services in an economy, at an agreed upon price level during a precise time period.

National Defense

Government activities and infrastructure aimed at protecting a country from threats and maintaining its security.