Reproductive Biology (Part-I)

Introduction: Life of an organism is not infinite and during the life-span every organism needs to produce progeny to maintain existenance. It is essential to maintain a high level of biodiversity and living stock. In the current lectures,we will discuss different modes of reproduction.

   
Modes of Asexual reproduction:
1. Binary division-binary division is most common mode of cell division in bacteria (Figure 18.1). In this mode of cell division, a single bacteria cells grow transversely with the synthesis of chromosomal DNA. A transverse septum appears in the middle of the cell body and divides the bacterial cell into the two with a distribution of chromosomal DNA, ribosome and other cellular machinery.   

 

 

Figure 18.1: Different modes of cell division in bacteria.