Actualización de conocimientos sobre formación de los gametos. Procesos de meiosis y fecundación

The biological characteristics of human beings are transmitted to the descendents through the gametes. These carry the genetic information of both parents coded in the DNA and are the only cells that physically pass from parents to children over the generations. Thus, the gametes should be structured in such a way that when the paternal and maternal ones are joined, forming the zygote, the number of chromosomes of the human species and their other characteristics are maintained. The gamete formation process by which half of the chromosome number is acquired (one of each chromosome pair) is called meiosis, and makes up the basis of the normal embryonic development.