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This Concept Map, created with IHMC CmapTools, has information related to: DS Meiosis, sister chromstids and only tetrads split inturn casuing them to move to spindle pole., Meiosis Gametes made by this. only in reproductive cells. 2nd stage Metaphase 1, chromosomes are visible. during synapses chromosomes come together., one pole of the cell. then moving toward opposite poles of the cell. homoglous chromosomes., homogolous at crossing over sites microtusbules attatched to homoglous chromosomes, chromoseomes condense more as nuclieoli goes away. resulting in centrosomes move away from eachother causeing spindle to form., Meiosis Gametes made by this. only in reproductive cells. last phase Meiosis 2, chromosomes exchange segments=crossing over. which rearranges genetic info., tetrads caught by spindle. causing microtubules move toward the cell., each pole to have a haploid chromosome set. then cytokinesis chromsomes uncoil, chromosomes which after traveling cause each pole to have a haploid chromosome set., chromsomes uncoil then nuclear enveloppe reforms, centrosomes move away from eachother causeing spindle to form. next tetrads caught by spindle., Anaphase 1 marked by migration of chromosomes to the 2 poles., homoglous chromosomes which come from one pole of the cell., Metaphase 1 aligned on metaphase plate chromosomes then condensed with sister chromatids atatched to centromeres, Meiosis Gametes made by this. only in reproductive cells. 1st stage prophase 1, chromosomes come together. resulting in structure of 4 chromatids =a tetrad, prophase 1 chromatin coils chromosomes are visible., chromosomes are visible. during synapses chromosomes exchange segments=crossing over.