What Structural Adaptation in Chickens Allows Them to Lay Their

question 52

Multiple Choice

What structural adaptation in chickens allows them to lay their eggs in arid environments rather than in water?

• A) extraembryonic membranes
• B) yolk
• C) cleavage
• D) gastrulation

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Definitions:

Checkpoint Gene

A gene that regulates cell cycle checkpoints to ensure cells do not divide unless certain conditions are met, playing a key role in preventing cancer.

Proto-Oncogene

Gene that, by mutation, can become an oncogene.

Malignant Neoplasm

A cancerous tumor that is invasive and can spread to other parts of the body.

Tumor Cell

A cell that has undergone mutation leading to uncontrolled growth, potentially forming a tumor.