Question

crossing over fill in the blanks... during ________ of meiosis, ______ chromosomes pair up forming a ______. crossing over occurs at this time as sections of ______ chromatids are exchanged. this exchange creates new combinations of alleles that results in genetic ________. variation tetrad non - sister homologous prophase ii sister prophase i

Explanation:

Answer:

During prophase I of meiosis, homologous chromosomes pair up forming a tetrad. Crossing over occurs at this time as sections of non - sister chromatids are exchanged. This exchange creates new combinations of alleles that results in genetic variation.