text: Question: What Is The Difference Between Synapsis And A Chiasma? - technicallyalibrarian.com
  What is the function of synapsis?
  What is the result of Synapsis?
  Is Synapsis the same as crossing over?
  What is the difference between chiasma and Chiasmata?
  What is Synapsis explain?
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  Such people are often described with the adjective form of the word, charismatic.
  A person with charisma is thought to be able to easily influence others..
  The two homologous chromosomes do not completely separate but it remains attached together at one or more points as indicated by X arrangements known as Chiasmata. The displacement of Chiasmata is termed as terminalization which is completed in Diakinesis stage.
  Pairing of Homologous Chromosomes via Synapsis Chiasmata. While in synapsis, non-sister chromatids may break and recombine with their homologous partner (crossing over) These non-sister chromatids remain physically connected at these points of exchange – regions called chiasmata.
  The result of synapsis is a tetrad. During synapsis the homologous pairs of sister chromatids line up together and connect.
  The main difference between synapsis and crossing over is that synapsis is the pairing of homologous chromosomes during the prophase 1 of the meiosis 1 whereas crossing over is the exchange of the genetic material during synapsis.
  In genetics, a chiasma (pl. chiasmata) is the point of contact, the physical link, between two (non-sister) chromatids belonging to homologous chromosomes. … In meiosis, absence of a chiasma generally results in improper chromosomal segregation and aneuploidy.
  Synapsis (also called syndesis) is the pairing of two homologous chromosomes that occurs during meiosis. It allows matching-up of homologous pairs prior to their segregation, and possible chromosomal crossover between them. … When homologous chromosomes synapse, their ends are first attached to the nuclear envelope.