Everyone in the continental United States will have a solar eclipse on August 21, 2017. But only those within the roughly 70-mile-wide path of totality will have a shot at the most awesome celestial event one can experience: a total solar eclipse.
Recombination. Definition. noun, plural: recombinations. (1) (genetics) The process or act of exchanges of genes between chromosomes, resulting in a different genetic combination and ultimately to the formation of unique gametes with chromosomes that are different from those in parents.(2) (general) The process or act of bringing together (dissociated materials) once more.oun, plural: recombinations. (1) (genetics) The process or act of exchanges of genes between chromosomes, resulting in a different genetic combination and ultimately to the formation of unique gametes with chromosomes that are different from those in parents.
The homologous chromosomes pair and exchange DNA to form recombinant chromosomes. Prophase I is divided into five phases: 1  Leptotene: chromosomes start to condense. 2  Zygotene: homologous chromosomes become closely associated (synapsis) to form pairs of chromosomes (bivalents) consisting of four chromatids (tetrads).he homologous chromosomes pair and exchange DNA to form recombinant chromosomes. Prophase I is divided into five phases: 1  Leptotene: chromosomes start to condense. 2  Zygotene: homologous chromosomes become closely associated (synapsis) to form pairs of chromosomes (bivalents) consisting of four chromatids (tetrads).