The below mentioned article provides a close view on the Polyploidy and Evolution of Species. The polyploidy has played an important role in evolution of new varieties and species in nature. Angiosperms and Pteridophytes have very high numbers of polyploid species in nature. More than 35 per cent angiosperms are polyploids. According to Manton (1950), among all the plant groups, [...]
In this article we will discuss about the Insertion of a Foreign DNA Fragment into a Vector. Introduction to the Insertion of a Foreign DNA Fragment into a Vector: The specific section of DNA generated by the action of restriction enzyme is spliced or incorporated into an agent called cloning vehicle. Cloning vehicle is also called vector. Cloning vehicles or [...]
In this article we will discuss about Mode:- 1. Meaning of Mode 2. Method of Determining Mode 3. Merits 4. Demerits. Meaning of Mode: Mode is another unit of measurement of central tendency which is used to obtain a quick estimate of central tendency. Mode is defined as the particular value which appears again and again for maximum number of [...]