SYNAPSIS Meaning and
Definition
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Synapsis refers to the process occurring during meiosis when the homologous chromosomes align and physically connect with each other. It is a critical step in the formation of genetic variation and ensures the proper distribution of genetic material during cell division.
During synapsis, the homologous chromosomes, which are pairs of chromosomes containing similar genetic information, come together and align precisely. This alignment positions the chromosomes next to each other and allows for a physical connection between corresponding segments of DNA known as crossing over. Crossing over is the exchange of genetic material between the paired chromosomes, leading to the recombination of genetic information. This genetic recombination is essential for creating diversity within a species and increasing the potential for beneficial genetic combinations.
The physical connection formed between the chromosomes during synapsis is known as a synaptonemal complex. This complex is a protein structure that holds the chromosomes together and facilitates the exchange of genetic material. It is composed of several protein fibers that form a lattice-like structure between the paired chromosomes.
The synapsis process also aids in the proper separation of chromosomes during later stages of meiosis. It ensures that each resulting cell receives a complete set of genetic information, as the paired homologous chromosomes separate into different daughter cells.
Overall, synapsis is a fundamental biological process that enables genetic recombination and contributes to genetic diversity, playing a crucial role in sexual reproduction and evolution.
Common Misspellings for SYNAPSIS
Etymology of SYNAPSIS
The word "synapsis" has its roots in the Greek language. It is derived from the Greek word "synaptein", which means "to clasp together" or "to join". The term was initially used in the field of genetics to describe the pairing and joining of homologous chromosomes during meiosis. Over time, the term has also been adopted in the field of neurobiology to refer to the junction where two nerve cells or neurons come into close proximity and transmit signals between each other.
Similar spelling words for SYNAPSIS
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