Here is a list of top fourteen problems on genetics along with its relevant solution. Problem 1: Albinism is recessive to normal body pigmentation in man. It is an autosomal trait. If a homozygous normal man marries an albino girl, what would be the phenotypic and genotypic ratios in F2 generation from this marriage? Solution: […]
Top 14 Problems on Genetics (With Solution)
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Plasmids in Bacteria: Properties, Types and Replication
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In this article we will discuss about:- 1. General Properties of Plasmids 2. Types of Plasmids 3. Replication 4. Incompatibility 5. Library. General Properties of Plasmids: Plasmids are defined as extra-chromosomal genetic elements, occurring chiefly in bacteria and rarely in eukaryotic organisms. In bacteria, plasmids are circular double-stranded DNA molecules which contain genes controlling a […]
Gene Transfer and Genetic Recombination in Bacteria
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The following points highlight the three modes of gene transfer and genetic recombination in bacteria. The modes are: 1. Transformation 2. Transduction 3. Bacterial Conjugation. Mode # 1. Transformation: Historically, the discovery of transformation in bacteria preceded the other two modes of gene transfer. The experiments conducted by Frederick Griffith in 1928 indicated for the […]
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