Ch. 14 - Analysis of Gene Function via Forward Genetics and Reverse Genetics

Sanders - Genetic Analysis: An Integrated Approach 3rd Edition

Sanders3rd EditionGenetic Analysis: An Integrated ApproachISBN: 9780135564172당신이 사용하는 게 아니라요?교과서 변경

Sanders 3rd Edition

Ch. 14 - Analysis of Gene Function via Forward Genetics and Reverse Genetics

문제 C.11a

14장, 문제 C.11a

Go to the website http://www.ncbi.nlm.nih.gov/omim and enter 'Lynch syndrome' in the Search box at the top of the page. From the list of options given, select '#120435—Lynch Syndrome.' Use the information you retrieve to answer the following questions. There are two types of Lynch syndrome. What are they?

검증된 단계별 안내

Understand that Lynch syndrome is a hereditary condition associated with a high risk of colorectal cancer and other cancers, caused by mutations in DNA mismatch repair genes.

Go to the website http://www.ncbi.nlm.nih.gov/omim and enter 'Lynch syndrome' in the search box to access detailed genetic information about the condition.

From the search results, select the entry labeled '#120435—Lynch Syndrome' to view the specific OMIM record for this disorder.

Read through the summary and clinical features sections of the OMIM entry to identify the classification or types of Lynch syndrome described.

Note that the two main types of Lynch syndrome are typically distinguished based on the specific genes involved or clinical presentation, such as Lynch syndrome type I and type II, and record their definitions as provided.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Lynch Syndrome Overview

Lynch syndrome is an inherited disorder that increases the risk of colorectal cancer and other cancers due to mutations in DNA mismatch repair genes. Understanding its genetic basis helps explain why affected individuals have a higher cancer risk and guides diagnosis and management.

Types of Lynch Syndrome

Lynch syndrome is classified into two main types based on the specific genes involved and clinical features: Lynch syndrome type I primarily involves colorectal cancer, while Lynch syndrome type II includes a broader spectrum of associated cancers such as endometrial and ovarian cancers.

Use of OMIM Database

The Online Mendelian Inheritance in Man (OMIM) database is a comprehensive resource for genetic information. It provides detailed entries on genetic disorders like Lynch syndrome, including gene mutations, clinical features, and classification, which are essential for accurate understanding and research.

관련 실천

교과서 질문

Go to the website http://www.ncbi.nlm.nih.gov/omim and enter 'Lynch syndrome' in the Search box at the top of the page. From the list of options given, select '#120435—Lynch Syndrome.' Use the information you retrieve to answer the following questions. What are the approximate rates of cancer that develop in people carrying a mutation of one of these genes?

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교과서 질문

The CBF genes of Arabidopsis are induced by exposure of the plants to low temperature. How would you examine the temporal and spatial patterns of expression after induction by low temperature?

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교과서 질문

Go to the website http://www.ncbi.nlm.nih.gov/omim and enter 'Lynch syndrome' in the Search box at the top of the page. From the list of options given, select '#120435—Lynch Syndrome.' Use the information you retrieve to answer the following questions. Provide a brief summary of the normal functions of the protein products of these genes.

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교과서 질문

You have identified a recessive mutation that alters bristle patterning in Drosophila and have used recombinant DNA technology to identify a genomic clone that you believe harbors the gene. How would you demonstrate that your gene is on the genomic clone?

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교과서 질문

Genetic counseling has not been discussed in this chapter, but it is a service provided by trained professional counselors who also have detailed knowledge of medical genetics, as described in Application Chapter A. Genetic counselors provide details about gene mutations and have knowledge of most of the details of diseases associated with genetic abnormalities. With regard to genetic testing to identify one's personal risk of cancer, what are the three or four topics you think are most important to be able to discuss with a genetic counselor?