The level of transcription of a gene is tested by creating deletions in the gene as shown in the illustration.These modified genes are tested for their level of transcription:- (++) normal transcription levels- (+) low transcription levels- (+++) high transcription levelsWhich deletion is in an enhancer involved in regulating the gene?### Illustration Explanation1. **Normal Gene**: - Segments: 1 (blue), 2 (red), 3 (orange), 4 (purple) - Transcription Level: ++ (normal)2. **Deletion 1**: - Deleted Segment: 1 (blue) - Remaining Segments: 2, 3, 4 - Transcription Level: +++ (high)3. **Deletion 2**: - Deleted Segment: 2 (red) - Remaining Segments: 1, 3, 4 - Transcription Level: ++ (normal)4. **Deletion 3**: - Deleted Segment: 3 (orange) - Remaining Segments: 1, 2, 4 - Transcription Level: + (low)5. **Deletion 4**: - Deleted Segment: 4 (purple) - Remaining Segments: 1, 2, 3 - Transcription Level: ++ (normal)**Conclusion**: Deletion 3, which disrupts Segment 3, is likely affecting an enhancer involved in regulating the gene due to the observed low transcription levels.

Name: The level of transcription of a gene is tested by creating deletions
Uploaded: 2024-03-20T06:42:41.000Z
Channel: Bartleby
Description: The level of transcription of a gene is tested by creating deletions in the gene as shown in the illustration.These modified genes are tested for their level of transcription:- (++) normal transcription levels- (+) low transcription levels- (+++) hi

Transcription is a process in which the information stored in the DNA strand is decoded in the form of mRNA. The DNA stably stores the genetic information inside the nucleus. The information from mRNA is used for the synthesis of proteins. This copying information for protein synthesis is called translation. Transcription factors or TF are proteins that regulate the rate of transcription. Answer - Enhancers are the regulatory DNA sequences and bind to transcription factors that are specific proteins. The enhancers enhance the process of transcription of the associated gene. Transcription regulation is a common form of gene control. In deletion 3, the enhancer is involved. This is because the transcription level becomes low by the deletion of segment 2 that must have an enhancer. The enhancers enhance transcription and its deletion reduces the level of transcription. Thus, deletion 3 is the correct answer.