Respuesta :
At the end of meiosis I, there are two cells, each cell has seven chromosomes and the chromosomes in each cell are duplicated.
some features of meiotic division:
- Meiosis I and Meiosis II are the two stages of nuclear and cellular division in which it occurs. However, DNA replication only occurs once.
- Recombination between homologous chromosome pairs is what it entails.
- At the end, four haploid daughter cells are produced.
The diploid cell is transformed into a haploid one during Meiosis I, which separates the pair of homologous chromosomes. It is divided into prophase, metaphase, anaphase, and telophase stages.
- Prophase I: The first stage of meiosis I, and it is made up of five stages: diplotene, leptotene, zygotene, pachytene, and diakinesis. homologous recombination occurs, which involves the exchange of DNA between paired chromosomes, and the crossover at chiasmata (singular: chiasma) between non-sister chromatids. The nuclear membrane and nucleolus break down at the conclusion of this stage.
- Metaphase I: Microtubules from opposite poles attach to the pairs of homologous chromosomes, and bivalents align at the equatorial plate.
- Anaphase I: The two bivalent chromosomes of each cell split and move to opposite ends of the cell. There is a connection between the sister chromatids.
- Telophase I: The nuclear membrane resurfaces, and cytokinesis follows. A pair of cells are formed as a result.
Thus, Each daughter cell will have half of the original 7 Pair of homologous chromosomes i.e, 7 chromosomes which are duplicated.
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