Which of the Following Reflect(s) the Likely Presence of (A)

question 1

Multiple Choice

Which of the following reflect(s) the likely presence of (a) gene mutation(s) ?

• A) Fruit flies subjected to intense radiation produce a wider array of variable offspring.
• B) A chemical leaking from the surface of an old abandoned coal mine alters a regulatory gene so that a cricket nymph develops an extra set of eyes.
• C) The bacteria that cause gonorrhea, a common sexually transmitted disease, have previously been killed by penicillin; however, after continuous usage of the antibiotic, penicillin-resistant strains are now becoming prevalent.
• D) Radiation causes an alteration in a DNA nucleotide sequence, which is discovered when mapped, but which appears to be neither increasing nor decreasing in successive generations.
• E) All of the choices are correct.

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Definitions:

Mexican Government

The federal constitutional republic of Mexico, which is governed by a president and a bicameral legislature.

Fixed Exchange-Rate System

An exchange rate regime where a country's currency value is pegged to another currency, a basket of currencies, or a commodity like gold.

Local Currency

The currency that is legally accepted within a country and typically used for all financial transactions within that geographical boundary.

Flexible Exchange Rates

A system where the value of a currency is determined by the foreign exchange market, depending on the supply and demand for that currency.