A Mad Scientist Decides to Start Combining Embryos and See

question 54

Multiple Choice

A mad scientist decides to start combining embryos and see what develops. He takes bits from the blastula of a frog with blue skin and transplants them into the blastula of a yellow-skinned frog. The embryo develops blue cells in its brain and spinal cord. The scientist must have transplanted the cells into the:

• A)ectoderm.
• B)mesoderm.
• C)endoderm.
• D)allantois.
• E)yolk sac.

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Definitions:

Securely Attached

Describes children or individuals who have developed strong and healthy emotional bonds with their caregivers, characterized by trust and a sense of safety.

Conventional

Pertaining to behaviors, beliefs, or norms that are widely accepted and followed by a society at a given point in time, often contrasted with "unconventional" or "alternative".

Severe Drought

an extended period of exceptionally low rainfall, leading to a shortage of water that affects ecosystems, agriculture, water supply, and human populations.

Terry-cloth "Mothers"

Refers to an experiment in which infant monkeys showed preference for maternal figures made of soft cloth over those made of wire, highlighting the importance of comfort and tactile stimulation.