The Flies with Variegated Eye Color Had What Abnormal Chromosome

question 16

Multiple Choice

The flies with variegated eye color had what abnormal chromosome structure?

• A)X-chromosome inversion that moves the w⁺ gene to a different orientation on the chromosome in some cells following X-ray exposure
• B)X-chromosome translocation that moves the w⁺ gene to a region of heterochromatin on another chromosome in some cells following X-ray exposure
• C)a mutation in the w⁺ gene following X-ray exposure that causes the gene to be overexpressed in a tissue-specific manner
• D)X-chromosome deletion that deleted the w⁺ gene in some cells following X-ray exposure
• E)a mutation in a somatic chromosome that causes the w⁺ gene to be translocated to the X-chromosomes following X-ray exposure

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Definitions:

Planetary Pinions

Small gears that rotate around a central gear in an automatic transmission or differential, allowing for various gear ratios.

Planetary Members

Components of a planetary gear system, including the sun gear, planet gears, and the ring gear, used to distribute torque and speed in transmissions.

Planetary Ring Gear

A circular gear that surrounds and engages with other gears within a planetary gear system, used in various mechanical and automotive applications for reducing or increasing speed, changing torque, or reversing the direction of rotation.

Planetary Sun Gear

The central gear in a planetary gear system around which the planet gears revolve and are geared to.