In this article we will discuss about:- 1. Meaning of Aneuploidy 2. Forms of Aneuploidy 3. Importance. Meaning of Aneuploidy: Aneuploidy is the presence of chromosome number that is different from the simple multiple of the basic chromosome number. An organism which contains one or more incomplete chromosome sets is known as aneuploid. Aneuploidy can be either due to loss [...]
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 [...]