The following points highlight the top four types of chromosomal aberrations. The types are: 1. Deficiency or Deletion 2. Duplication 3. Translocation 4. Inversion. Chromosomal Aberration: Type # 1. Deficiency or Deletion: Chromosomes contain a number of genes on them. The genes are arranged in linear fashion. The number and also the positions of genes on a chromosome are fixed. [...]
In this article we will discuss about the similarities and dissimilarities between mitosis and meiosis. Similarities between Mitosis and Meiosis: Mitosis: 1. Mitosis Involves nuclear division 2. Mitosis Involves spindle apparatus 3. Mitosis is Genetically controlled 4. Mitosis has various successive phases 5. Mitosis Involves cytokinesis at the end. Meiosis: 1. Meiosis also involves nuclear division 2. Meiosis also involves [...]
In this article we will discuss about:- 1. Definition of Mitosis 2. Features of Mitosis 3. Genetic Control 4. Significance. Definition of Mitosis: The term mitosis was coined by Flemming in 1882. Mitosis refers to the spindle using nuclear division which produces two identical daughter nuclei from the parent nucleus. Since mitosis occurs in somatic cells, it is also known [...]