Kari and Jamal are studying a genetic trait that is controlled by two genes, Gene 1 and Gene 2. Kari and Jamal write the following questions in their lab notebooks: Questions: 1. What larger structure contains these genes? 2. What structures are produced using these genes? They draw two incomplete models to help answer these questions. The two models are shown. Gene 1 Model 1 8 Model 2 Gene 1 Gene 2 Transcription Translation Kari and Jamal learn that a certain mutation can affect the function of Gene 1. This mutation causes an early STOP codon resulting in early termination of translation. Translation is the process that takes the mRNA code from transcription and translates it into a protein. B. Identify the simplest form of genetic material in the diagram that could undergo a mutation and explain how this mutation would affect the production of proteins.

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
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**Title: Students Studying Genes**

Kari and Jamal are studying a genetic trait that is controlled by two genes, Gene 1 and Gene 2. Kari and Jamal write the following questions in their lab notebooks: 

**Questions:**

1. What larger structure contains these genes?
2. What structures are produced using these genes?

They draw two incomplete models to help answer these questions. The two models are shown.

**Model 1:**

- Two large structures, X and Y, are illustrated. They represent chromosomes.
- Gene 1 and Gene 2 are highlighted sections of these chromosomes.

**Model 2:**

- This model illustrates the process starting from Gene 1.
- The process is divided into two main steps: Transcription and Translation.
  - **Transcription**: Represents the copying of DNA to mRNA.
  - **Translation**: Displays the conversion of mRNA to a protein sequence, forming a chain of linked amino acids labeled Gly (Glycine), Ser (Serine), Phe (Phenylalanine), Lys (Lysine), and Met (Methionine).

Kari and Jamal learn that a certain mutation can affect the function of Gene 1. This mutation causes an early STOP codon resulting in early termination of translation. Translation is the process that takes the mRNA code from transcription and translates it into a protein.

B. Identify the simplest form of genetic material in the diagram that could undergo a mutation and explain how this mutation would affect the production of proteins.
Transcribed Image Text:**Title: Students Studying Genes** Kari and Jamal are studying a genetic trait that is controlled by two genes, Gene 1 and Gene 2. Kari and Jamal write the following questions in their lab notebooks: **Questions:** 1. What larger structure contains these genes? 2. What structures are produced using these genes? They draw two incomplete models to help answer these questions. The two models are shown. **Model 1:** - Two large structures, X and Y, are illustrated. They represent chromosomes. - Gene 1 and Gene 2 are highlighted sections of these chromosomes. **Model 2:** - This model illustrates the process starting from Gene 1. - The process is divided into two main steps: Transcription and Translation. - **Transcription**: Represents the copying of DNA to mRNA. - **Translation**: Displays the conversion of mRNA to a protein sequence, forming a chain of linked amino acids labeled Gly (Glycine), Ser (Serine), Phe (Phenylalanine), Lys (Lysine), and Met (Methionine). Kari and Jamal learn that a certain mutation can affect the function of Gene 1. This mutation causes an early STOP codon resulting in early termination of translation. Translation is the process that takes the mRNA code from transcription and translates it into a protein. B. Identify the simplest form of genetic material in the diagram that could undergo a mutation and explain how this mutation would affect the production of proteins.
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