In this article we will discuss about:- 1. Definition of Cleavage 2. Chemical Changes during Cleavage 3. Patterns 4. Nuclei of Cleavage Cells 5. Morula and Blastula. Definition of Cleavage: One of the peculiarities of sexual reproduction in animals is that the complex multicellular body of the offspring originates from a single cell—the fertilized egg. It is necessary, therefore, that [...]
Mitosis is a process of nuclear division in which duplicated chromosomes are faithfully separated from one another, producing two nuclei, each with one copy of each chromosome. The name 'mitosis' comes from the Greek word mitos, meaning 'thread'. It can take place in either diploid somatic or haploid cells like plant gametophytes and male bees. During mitosis, metabolic activities of [...]
Learn about the comparison between Mitosis and Meiosis. Comparison # Mitosis: 1. Mitosis occurs in all somatic cells of an individual. 2. In mitosis, each DNA-replication cycle is followed by one cell division. The resulting daughter cells have a diploid number of chromosomes. 3. In mitosis each chromosome behaves independently. 4. In mitosis the genetic material remains constant. 5. Mitosis [...]