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Ch. 6 - Genetic Analysis and Mapping in Bacteria and Bacteriophages
Sanders - Genetic Analysis: An Integrated Approach 3rd Edition
Sanders3rd EditionGenetic Analysis: An Integrated ApproachISBN: 9780135564172Not the one you use?Change textbook
Chapter 6, Problem A.2c

Go online to the Online Mendelian Inheritance of Man (OMIM) website. Look up the following genetic conditions and answer the questions posed about them.
Look up cystic fibrosis (CF), OMIM 602421, and give the gene name and abbreviation and the chromosome location of the gene.

Verified step by step guidance
1
Go to the OMIM website at https://omim.org/ to access the Online Mendelian Inheritance in Man database.
In the search bar, enter the OMIM number '602421' or the term 'cystic fibrosis' to find the specific entry for cystic fibrosis.
Once on the cystic fibrosis page, locate the section that lists the gene associated with the condition. This will include the gene name and its standard abbreviation.
Find the chromosome location information, which is usually given as the chromosome number and the specific band or region where the gene is located.
Record the gene name, abbreviation, and chromosome location as your answer to the question.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Online Mendelian Inheritance in Man (OMIM) Database

OMIM is a comprehensive, authoritative online catalog of human genes and genetic disorders. It provides detailed information about gene functions, mutations, and associated phenotypes, making it a vital resource for genetic research and clinical reference.
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Gene Nomenclature and Abbreviations

Genes are identified by standardized names and abbreviations to ensure clear communication. For example, the cystic fibrosis gene is known as CFTR, which stands for Cystic Fibrosis Transmembrane Conductance Regulator, facilitating consistent referencing across studies.
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Chromosomal Location of Genes

Each gene is located on a specific chromosome at a defined position, which is crucial for understanding inheritance patterns and genetic mapping. The chromosomal location helps link genes to diseases and guides genetic testing and research.
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Related Practice
Textbook Question

A couple comes into your genetic counseling practice with a question about the chance a future child of theirs might have a genetic disease. Three or four men in the woman's family, including her father, had a condition that might be genetic. Although her father is still alive, she has had little contact with him for much of her life and cannot describe or name the condition. Her partner is a healthy man whose family has no history indicating the presence of a genetic condition. To provide more information about this possible genetic condition for the couple, what is the first step you recommend?

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Textbook Question

Go online to the Online Mendelian Inheritance of Man (OMIM) website. Look up the following genetic conditions and answer the questions posed about them.

Look up Tay–Sachs disease (TSD), OMIM number 272800, and give the name and abbreviation of the affected gene and the chromosome location of the gene.

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Textbook Question

Go online to the Online Mendelian Inheritance of Man (OMIM) website. Look up the following genetic conditions and answer the questions posed about them.

Go to the 'Population Genetics' section discussing the TSD gene. In a few sentences, summarize the human population in which TSD is most frequently found and give the approximate frequency of heterozygous carriers for the TSD mutation in North American Jews.

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Textbook Question

Go online to the Online Mendelian Inheritance of Man (OMIM) website. Look up the following genetic conditions and answer the questions posed about them.

Go to the 'Molecular Genetics' section and describe the most common mutation of the CF gene.

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Textbook Question

For bacteria that are F⁺, Hfr, F', and F⁻ perform or answer the following.

Describe the state of the F factor.

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Textbook Question

For bacteria that are F⁺, Hfr, F', and F⁻ perform or answer the following.

Which of these cells are donors? Which is the recipient?

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