Tag Archives: Genetics

Gene Cloning: Basic, Requirements & Steps

Author: Tahmina Mojumder This article discusses Recombinant  DNA  and  gene cloning, plasmid  and  phase vectors, restriction enzymes, restriction maps and their properties, recombinant selection. Recombinant DNA Recombinant DNA is the common name  for a segment of  DNA  that has been created by combining at least two  fragments from two different …

Read More »

Taxonomy: Genetic Marker

What is marker? Marker may be defined as “Mark of identification”. In Biology three major types of markers are used: Morphological marker (also called “classical” or “visible” markers) which are phenotypic traits. Biochemical markers, which are called isozymes- multiple forms of enzymes, including allelic variants of enzymes. A genetic marker …

Read More »

Cytoplasmic Inheritance: Transfer of Genetic Characters by Means of Autonomous Organelles

The genes of nuclear chromosome have a significant and key role in the inheritance of almost all traits from generations to generations,but altogether they cannot be considered as the sole vehicle of inheritance because certain experimental evidences suggest the occurance of certain extranuclear genes or DNA molecules in the cytoplasm …

Read More »

Plant Introduction and Acclimatization: Easiest Method of Crop Improvement

Table of Content SL. No. Topic Name 01  Definition and types 02 Acclimatization 03 Purposes Definition & Types “Plant introduction and acclimatization” is the easiest and most rapid method of crop improvement in which the acclimatization follows the introduction and both the processes go side by side. Plant Introduction consists …

Read More »

Plant Introduction and Acclimatization: History, Organizations & Procedure

Table of Content SL No. Topic Name 01 History & Organization 02 Functions Of Plant Introduction Agencies 03 Procedure History and Organization Crop plants have travelled into many new areas from their centers of origin. This movement of plants occurred with the movement of man. Most of these introductions occurred very …

Read More »