This excised phage DNA undergoes lytic cycle and infects another bacterium and transfers the bacterial genes from the donor bacterium. In this, only a few restricted bacteria are transferred from donor to recipient bacteria. 1. Transduction is the process by which bacterial DNA is moved from one bacterium to another by a virus. - New host cells infected by these viral particles received bacterial DNA instead of viral DNA. It remains dormant and passes on from generation to generation. Practice Questions Microbial Genetics ... _____ always results in the same few genes being transferred between bacteria. Here only the bacterial genes that are close to the site of prophage are transferred. What are the key steps in the replication cycle (lytic infection) of… -This T4 head gets a tail and becomes a viral particle and is capable of infecting another bacterial cell. Questions Name the three types of bacterial exchange of DNA The donor bacterial cell in transfomation is probaly dead. The effects of mutations. An introduction to genetic mutations. Mutation as a source of variation. At times, a portion of the bacterial DNA remains attached to the detached phage DNA. Beatle and Tatum Watson and Crick Griffith Google Classroom Facebook Twitter. Bacterial Transduction: Definition, Process & Advantages 7:53 Regulation of Gene Expression: Transcriptional Repression and Induction 8:17 A. Specialised Transduction: In this process, the bacteriophage gets attached to a bacterial cell wall at the receptor site and the nucleic acid of bacteriophage is transferred into the cyto­plasm of … This is carried out by temperate bacteriophage which undergoes the lysogenic cycle. So this transduction is called specialised. What are the two major enzymatic properties of E. Coli RecA protein? Generalized transduction is the process by which any bacterial gene may be transferred to another bacterium via a bacteriophage, and typically carries only bacterial DNA and no viral DNA. Question: Question (1 Point) Which Is The Right Statement On A Transduction Signal? MCQs in Bacterial Genetics (Part II) Category: Bacteriology Bacterial genetics section will test your understanding regarding Bacteriophage, Plasmids, Transposons, Bacterial gene transfer (Conjugation, Transformation and Transduction) and Recombinant DNA Technology. Email. It was first discovered by Joshua Lederberg in 1952. The most striking feature is the transfer of genetic material from cell to cell by viruses. How much time is taken by the new DNA to make whole phage particles? a) 24 hours b) 60 mins c) 2 mins d) 10-20 mins View Answer What enzymes are involved with homologous recombination? This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Bacterial Transduction”. This may occur in two main ways, recombination and headful packaging. Specialized Transduction. Transduction, transformation, conjugation, transposable elements. 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