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All are effects of crossing over of homologous chromosomes during prophase I of meiosis except...

  • increased genetic variety
  • increased number of chromosomes in the offspring
  • the appearance of new phenotypes in the offspring
  • possible harmful mutations from cross-over errors

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B- increased number of chromosomes in the offspring

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Answer:

B. increased number of chromosomes in the offspring.

Explanation:

Crossing over may cause chromosomes to lose or gain segments, but the overall number would not change.

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