In Humans, Clear Gender Differentiation Occurs Not at Fertilization, but After

question 6

Multiple Choice

In humans, clear gender differentiation occurs not at fertilization, but after the second month of gestation. Which of the following statements describes the first event of this differentiation?

• A) formation of testosterone in male embryos
• B) formation of estrogens in female embryos
• C) activation of SRY in male embryos and masculinization of the gonads
• D) activation of SRY in females and feminization of the gonads

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Definitions:

Flexible Exchange Rates

A currency system where the value of a currency in relation to others is determined by the foreign exchange market without direct government control.

Inflation

The rate at which the general level of prices for goods and services is rising, and, subsequently, purchasing power is falling. Central banks attempt to limit inflation, and avoid deflation, in order to keep the economy running smoothly.

Unemployment

The situation when individuals who are capable of working and willing to work cannot find employment.

Balance of Payments

A comprehensive record of all economic transactions between residents of a country and the rest of the world during a specific period.