Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question

Transcribed Image Text:**Question:**
How many introns are present on a gene that consists of 2 exons?
**Options:**
- O 1
- O 2
- O 3
- O 0
- O The number cannot be determined from the information provided.
On an educational website, the above question would be presented to test the understanding of gene structure, specifically the number of introns and exons. Here, the question asks to determine the number of introns in a gene given that it has 2 exons.
**Explanation:**
In genetics, a gene consists of exons and introns. Exons are sequences that code for proteins, while introns are non-coding sequences that are removed during RNA splicing. For a gene that consists of 2 exons, there is typically 1 intron between them.
**Correct Answer:**
- O 1
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