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Murrr4er [49]
3 years ago
11

Prophase of meiosis i has some important differences from prophase of mitosis. These differences include: ___________

Biology
1 answer:
olya-2409 [2.1K]3 years ago
7 0

Answer;

During Prophase 1 of meiosis there is crossing over , while,

Prophase of mitosis has no crossing over

Explanation;

-The daughter cells produced by mitosis are identical, whereas the daughter cells produced by meiosis are different because crossing over has occurred.

-The events that occur in meiosis but not mitosis include homologous chromosomes pairing up, crossing over, and lining up along the metaphase plate in tetrads.

-During prophase 1 of meiosis; chromosomes become visible, crossing-over occurs, the nucleolus disappears, the meiotic spindle forms, and the nuclear envelope disappears.Crossing-over is the process that can give rise to genetic recombination. At this point, each homologous chromosome pair is visible as a bivalent (tetrad), a tight grouping of two chromosomes, each consisting of two sister chromatids. The sites of crossing-over are seen as crisscrossed nonsister chromatids and are called chiasmata.

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