Chapter 15, Problem 11TYU

Summary Introduction

To propose:

A hypothesis as how the genes of the bacteria present in the organ of a flashlight fish are regulated and organized. The flashlight fish consists of an organ under its eye, which helps in emitting light. There is a bacterium inside the organ that is responsible for emitting the light.

Concept introduction:

Bacteria present in the organ of the flashlight fish have a mutual relation with the fish. The bacteria get its nutrient from the fish and the fish startles the predators and attracts prey with the help of the light that the bacteria emit.