In Humans, Identical Twins Are Possible Because

question 12

Multiple Choice

In humans, identical twins are possible because

• A)cytoplasmic determinants are distributed unevenly in unfertilized eggs.
• B)extraembryonic cells interact with the zygote nucleus.
• C)convergent extension occurs.
• D)early blastomeres can form a complete embryo if isolated.
• E)the grey crescent divides the dorsal-ventral axis into new cells.

---

Definitions:

Haymarket Tragedy

An 1886 incident in Chicago where a peaceful labor demonstration turned violent, leading to death and injuries among police and workers and becoming a pivotal event in labor history.

Strikers

Workers who refuse to work as part of an organized effort to press for changes from their employer, such as better working conditions or increased pay.

Welfare Unionism

A form of unionism that focuses on improving the immediate work environment and living standards of workers, including benefits like health insurance and pensions.

Bribery

The act of offering, giving, receiving, or soliciting something of value as a means of influencing the actions of an individual holding a public or legal duty.