The Structure of the Drosophila Gene Called Tinman Is Similar

question 78

Multiple Choice

The structure of the Drosophila gene called Tinman is similar to a gene in humans that also

• A) promotes ear development.
• B) specifies the location of the heart.
• C) determines structures in the eyes.
• D) specifies limb elongation points.
• E) filters lymphatic fluid.

---

Definitions:

Nissl Bodies

Nissl bodies are stacks of rough endoplasmic reticulum found in neurons, essential for the synthesis of neurotransmitter proteins.

Axons

Long, slender projections of nerve cells which conduct electrical impulses away from the neuron's cell body.

Rough Endoplasmic Reticulum

A network of membranous tubules within the cytoplasm of a cell, studded with ribosomes involved in protein synthesis and folding.

Autonomic Nervous System

Controls involuntary physiological functions, including heart rate, blood pressure, digestion, and respiratory rate, operating mostly subconsciously.