In this essay we will discuss about the examples that illustrates the cases of extra-nuclear inheritance in eukaryotes. Essay # 1. Maternal Inheritance: In certain cases, it has been observed that certain characteristic phenotypic traits of F1, F2 or F3 progeny are not the expression of their own genes, but rather those of the maternal parents. Such phenotypic expressions of [...]
Are you looking for an essay on ‘Lymphocytes and the Immune Response’ ? Find paragraphs, long and short essays on ‘Lymphocytes and the Immune Response’ especially written for school and college students. 1. Precipitation of Soluble Antigens: Antigens may have one or more antigenic determinants. If antigens contain one determinant, they are called monodeterminants; if they contain two determinants, they [...]
In this essay we will discuss about the molecular structure of Immunoglobulin in human body. The human body is capable of synthesising more than a million different kinds of immunoglobulin molecules, each capable of reacting with a different antigen, but all of them appear to share the same fundamental quaternary (globular) structure. Typically, an immunoglobulin molecule is a Y-shaped heteromer [...]