Working with Salamander Embryos, Which Result Did Hans Spemann Get

question 75

Multiple Choice

Working with salamander embryos, which result did Hans Spemann get when he transplanted a piece of an early gastrula that would normally form epidermis of skin to the region of another early gastrula that would normally form neural tissue?

• A) The transplanted tissue formed neural tissue.
• B) The recipient gastrula rejected the tissue transplant.
• C) The transplanted tissue formed epidermis.
• D) The recipient of the transplant died.
• E) The recipient gastrula developed a secondary embryo at the transplant site.

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Definitions:

Gratuitous Agent

An individual who acts on behalf of another without receiving any compensation or benefit, motivated by voluntary intent or relationship.

Duty of Loyalty

An obligation of an individual, such as a director of a company, to act in the best interests of the company or another person, without personal conflict.

Fiduciary

A person or organization that acts on behalf of another person or persons, putting their clients' interest ahead of their own, with a duty to preserve good faith and trust.

Fiduciary Obligation

A legal or ethical relationship of trust where one party, known as a fiduciary, acts in the best interests of another party, such as a trustee for a beneficiary.