| TERMS | DEFINITIONS | ||
| Phragmoplast | Membranous vesicles are collected in the
centre. Membrane structure phragtnoplast is formed from vesicles. |
| Meiosis | The special type of cell division in which the numbers of chromosomes in daughter cells are reduced to one half, as compared to the parent cells is called meiosis. |
| Homologous chromosomes | The similar but not necessarily identical
chromosomesarecalled ashomologous |
| Bivalent or
tetrad |
Each paired (but not fused) complex structure is called as bivalent or tetrad. |
| Crossing over | The exchange of segment of the non-sister chromatids of homologous chromosomes is called crossing over. |
| Cell cycle | The period from the time a cell is produced until it completes mitosis is called cell cycle. |
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