The following points highlight the six main steps in chromosome methodology. The steps are: 1. Pretreatment 2. Fixation 3. Hydrolysis 4. Processing 5. Staining 6. Mounting. Step # 1. Pretreatment: Pretreatment is an important step in the course of preparations of plant tissue for studying the chromosome number and their morphology in order to establish the karyotype of a species. [...]
The below mentioned article provides a study note on Chromosome Technique used in Plants:- 1. Study of Mitotic Chromosomes 2. Study of Meiotic Chromosomes 3. Identifying Features of Cytological Plates. Study of Mitotic Chromosomes: Mitosis occurs in all meristematic cells which are located in root tip, shoot tip, young leaf tip and other growing organs of plant. Of all these [...]
In this article we will discuss about Taxonomy which was started as “Folk Taxonomy” in earlier 15th century:- 1. History of Taxonomy 2. Phases of Taxonomy 3. Fundamental Components 4. Aims. History of Taxonomy: Plant taxonomy is one of the earliest disciplines of Botany. It was started as "Folk Taxonomy" in earlier 15th century but it has grown and gone very [...]