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Chapter 16

Analyzing Gene Expression and Function

الطفرات في المختبر
الطفرات في المختبر
To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating ...
الشاشات الجينية
الشاشات الجينية
Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a ...
اختبار الصليب
اختبار الصليب
Alleles are different forms of the same gene. Humans and other diploid organisms inherit two alleles of every gene, one from each parent. An allele is ...
اختبارات التكميل
اختبارات التكميل
A complementation test is a simple cross to identify whether the two mutations are located on the same gene or different genes. It was first performed by ...
تعدد أشكال النوكليوتيدات المفردة- SNPs
تعدد أشكال النوكليوتيدات المفردة- SNPs
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent ...
التحول البكتيري
التحول البكتيري
In 1928, bacteriologist Frederick Griffith worked on a vaccine for pneumonia, which is caused by Streptococcus pneumoniae bacteria. Griffith studied two ...
الكائنات المعدلة وراثيا
الكائنات المعدلة وراثيا
Overview Transgenic organisms are genetically engineered to carry transgenes—genes from a different species—as part of their genome. The ...
الاستنساخ التناسلي
الاستنساخ التناسلي
Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by ...
كريسبر
كريسبر
Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific ...
الحمض النووي الريبي التجريبي
الحمض النووي الريبي التجريبي
RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. ...
جينات المراسل
جينات المراسل
Reporter genes are a type of protein-coding gene that are often tagged to a gene of interest. Once inside a target cell, reporter genes usually ...
التهجين في الموقع
التهجين في الموقع
In situ hybridization (ISH) is a technique used to detect and localize specific DNA or RNA molecules in cells, tissue, or tissue sections using a labeled ...
الكروماتين المناعي - ChIP
الكروماتين المناعي - ChIP
Chromatin immunoprecipitation, or ChIP, is an antibody-based technique used to identify sites on DNA that bind to transcription factors of interest or ...
البيولوجيا التركيبية
البيولوجيا التركيبية
Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, ...
التنميط الريبوسوم
التنميط الريبوسوم
Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences ...
النباتات المعدلة وراثيا
النباتات المعدلة وراثيا
Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically ...
العلاج الجيني
العلاج الجيني
Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy ...
تحليل الرعاف
تحليل الرعاف
Although Mendel chose seven unrelated traits in peas to study gene segregation, most traits involve multiple gene interactions that create a spectrum of ...
دراسات الارتباط على مستوى الجينوم - GWAS
دراسات الارتباط على مستوى الجينوم - GWAS
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more ...
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