"• Region where spindle fibre binds to the chromosomes • A specialized constricted region where two sisters chromatids are joined after replication", "Centromere" "• _________ is one of the two identical halves of a duplicated chromosome", "chromatids" "• When two chromatids joined together and make up one chromosome , they are called ______ chromatids", "sister chromatids" "• A pair of chromosomes of the same length, same centromere position and staining pattern • Carry genes controlling same inherited characters", "Homologous chromosomes" "", "" "• Pairing up of homologous chromosomes •in Prophase I •that results in a structure called bivalent", "Synapsis" "• A pair of homologous chromosomes that line up beside each other ", "Bivalent" "• A pair of homologous chromosomes made up of four chromatids ", "Tetrad" "", "" "•The site where crossing over occur", "Chiasma" "", "" "•An exchange of genetic material between non- sister chromatids of homologous chromosome • in Prophase I •results in genetic variation ", "Crossing over" "", "" "", "" "A pair of homologous chromosomes", "" "Two pairs of homologous chromosomes", ""
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