Answer: prophase I
Meiosis is divided into meiosis I and meiosis II which are further divided into Karyokinesis I and Cytokinesis I and Karyokinesis II and Cytokinesis II respectively. The preparatory steps that lead up to meiosis are identical in pattern and name to interphase of the mitotic cell cycle. Interphase is divided into three phases: • Growth 1 (G1) phase: In this very active phase the cell synthesizes its vast array of proteins includin…
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Chromosomal crossover or crossing over is the exchange of genetic material during sexual reproduction between two homologous chromosomes’ non-sister chromatids that results in recombinant chromosomes. It is one of the final phases of genetic recombination which occurs in the pachytene stage of prophase I of meiosis during a process called synapsis. Synapsis begins before the synaptonemal complex …
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The function of the first division is to permit crossing over . Just like mitosis meiosis includes prophase metaphase anaphase and telophase. Prophase I The chromosomes become visible the nuclear envelope disappears and the centrioles (at the top and bottom of the nucleus) begin forming spindle fibres that envelop the chromosomes.
Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle.In eukaryotes there are two distinct types of cell division; a vegetative division whereby each daughter cell is genetic…