Which Statement About Hox Genes or Their Effects on Drosophila

question 38

Multiple Choice

Which statement about Hox genes or their effects on Drosophila is false?

• A) Homologous Hox genes encoding similar transcription factors are expressed in similar patterns along the anterior-posterior axes of humans.
• B) Full-sized wings in Drosophila are normally produced on just the third thoracic segment.
• C) Deletions of the Ubx gene in Drosophila convert the third thoracic segment into the second thoracic segment.
• D) Ubx codes for a protein with a homeodomain that binds to the promoter region of target genes.
• E) If Ubx is inactivated by a mutation,two sets of wings will develop in the fruit fly.

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Definitions:

Increased Digestion

An enhancement in the process by which food is broken down by the body to be absorbed into the bloodstream for nourishment.

Dilation

The process of widening or expanding an opening or structure in the body.

Perspiration

The production and release of sweat by the sweat glands of the skin, often in response to heat or stress.

Heart Rate

The number of heartbeats per unit of time, typically expressed as beats per minute (BPM), which can indicate physical exertion levels or overall cardiovascular health.