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Meiosis occurs in a series of different phases and creates genetically unique reproductive cells.



Which process helps make meiotic cells genetically different and occurs during prophase I, but not during prophase II?
fertilization
independent assortment
crossing over
chromosome replication

Sagot :

Lowerdus000idn

Answer:

Meiosis occurs in a series of different phases and creates genetically unique reproductive cells. The process which helps make meiotic cells genetically different and occurs during prophase I, but not during prophase II, is crossing over (C). Crossing over is the exchange of genetic material between two homogenous chromosomes. It is one of the final phases of prophase I. This process is called synapsis. It occurs when the matching regions on the matching chromosomes break and then reconnect to the other chromosome .

Luisvaschettoidn

The process that helps to make meiotic cells genetically different and occurs during prophase I is called crossing over.

  • Crossing over, also known as recombination, is the interchange of genetic material between non-sister chromatids of homologous chromosomes.

  • This process (crossing over) occurs in Meiosis I, specifically during Prophase I.

  • Crossing over during Prophase I and the independent assortment of homologous chromosomes during Metaphase I represent meiotic processes that help to increase genetic variation in gamete (sex) cells.

In conclusion, the process that helps to make meiotic cells genetically different and occurs during prophase I is called crossing over.

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