Based on Experiments with Amphibian Embryos, Spemann and Mangold Found

question 110

Multiple Choice

Based on experiments with amphibian embryos, Spemann and Mangold found that

• A) transplanted cells always formed a whole new embryo.
• B) donor cells maintained their original differentiation no matter where in the host they were transplanted.
• C) transplanted cells completely undifferentiated into random masses of tissue.
• D) transplanted cells always died.
• E) in most cases, transplanted donor cells assumed the developmental fate of the area to which they were transplanted in the host.

---

Definitions:

Death Rates

The number of deaths in a particular population, scaled to the size of that population, per unit of time.

Demographic Characteristics

The statistical aspects of a population being analyzed or reviewed, such as age, sex, income, education level, and marital status.

Baby Boomers

A generational term used to describe individuals born during the post-World War II baby boom, approximately between the years 1946 and 1964.

American Society

Refers to the social structure, culture, and norms found within the United States, shaped by its historical and current social dynamics.