In this article we will discuss about the Multiplication of Host Cell and Cloning of Genes. Introduction to Multiplication of Host Cell and Cloning of Genes: The host cell containing foreign DNA in addition to its own DNA is allowed to multiply forming a clone having millions of identical cells. Each member of the clone contains in addition to its [...]
In this article we will discuss about: 1. Meaning of Multiple Alleles 2. Characteristics of Multiple Alleles 3. Examples 4. Theories of Allelism 5. Importance of Allelism. Meaning of Multiple Alleles: The word allele is a general term to denote the alternative forms of a gene or contrasting gene pair that denote the alternative form of a gene is called [...]
In this article we will discuss about the changes in number and arrangement of genes. Changes in the Number of Genes: (i) Deletion and Deficiency: A single chromosome may result in a loss of small piece at the terminal end is said as terminal deficiency or deficiency. Sometimes a chromosome may break, however, at any two points, releasing an intercalary [...]