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Normal Fruit Flies Have Red Eyes

question 55

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Normal fruit flies have red eyes.Flies with mutations that block the function of the X-linked white gene have white eyes.The wild-type allele is completely dominant to mutant alleles.A white-eyed female fruit fly is mated to a red-eyed male.One of their hundreds of female progeny is white-eyed.What is the likely karyotype of this white-eyed daughter?


Definitions:

Cam-Actuated

Mechanisms that are driven or moved by a cam, a rotating or sliding piece in a mechanical linkage used to provide variable motion.

Radial Piston Pump

A type of hydraulic pump where pistons are arranged radially around a central axis, used for high pressure and precise control applications.

Common-Rail

A diesel engine fuel injection system where the fuel is supplied to the injectors from a high-pressure accumulator common for all cylinders.

Counterbalance Valve

A valve that resists flow in one direction while permitting free flow in the other. Often connected to the outlet of a double-acting ram to support weight and prevent sudden, uncontrolled dropping.

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