Question

explain Pro Phase 1 in meiosis​

Answer 1

Answer:

The appearance of the chromosomes at this stage of Prophase 1 is likened to 'a string with beads', these beads are called chromomeres. Each sister chromatid is attached to the nuclear envelope and are so close together that they can be mistaken for only one chromosome. This is a very short stage of Prophase 1.

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Answer 2

Prophase 1 in meosis is divided into 5 major steps those are

1–Lyptotene
2–Zygotene
3-Pachytene
4-Diplotene
5-Diakensis


Lyptotene—in which condensation of chromosomes begins

Zygotene—in which synapsid occurs(grouping of homologous chromosomes)and apereance of recombination nodules

Pachytene—Initiation of cross over of chromosomes resulting in genetic diversity

Diplotene—terminalisation of synaptical chromosomes and appereance of chaismata

Diakensis—terminalsation of chaismata (disappearance)