Emma and Anna Are Identical Twins Who Were Adopted by Different

question 109

Multiple Choice

Emma and Anna are identical twins who were adopted by different families a few weeks after birth.Although genetically identical,they grew up with different physical and psychological characteristics.For example,though both inherited a tendency to grow large,Anna was slim and athletic due to the active lifestyle practiced in her adoptive family.This variability can be explained by how:

• A)each zygote is unique.
• B)longevity genes can make an individual less vulnerable to certain diseases.
• C)for each genotype,a range of phenotypes can be expressed.
• D)mutated genes can be a source of genetic variability.

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Definitions:

Secondary Reserves

Assets that are easily convertible into cash but are not held in the form of cash itself, serving as a backup for primary reserves in financial institutions.

Borrow From The Fed

The act of financial institutions taking loans from the Federal Reserve, usually to maintain reserve requirements or to stabilize liquidity.

Fiscal Policy

Government policies regarding taxation and spending designed to influence economic conditions, such as growth rates, inflation, and employment.

Monetary Policy

Actions undertaken by a central bank, such as the Federal Reserve, to control the money supply and interest rates to achieve macroeconomic objectives like controlling inflation.