Reproduction and Development


   
 
Types of Sexual Reproduction
Sexual reproduction is of 2 types.
 
Syngamy
 
Conjugation
 
Syngamy
It is the complete and permanent fusion of 2 haploid gametes to form a diploid zygote.
 
When the 2 fusing gametes are morphologically and physiologically similar to each other, the process is called isogamy.
 
Example: Monocystis
 
When the 2 organisms themselves acts as gametes it is called hologamy.
 
Example: Yeast
 
Conjugation
It is a temporary pairing of 2 parents to exchange male and female gametes, through a temporary cytoplasmic bridge.
 
Example: Ciliate protozoans like paramoecium.
 
 
     
   
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