>  also did not remember crossing over to be a mandatory event

Honey bees have extremely high rates of recombination resulting in more than five recombination events per chromosome per meiosis. -- Smith, Nicholas MA, et al. "Strikingly high levels of heterozygosity despite 20 years of inbreeding in a clonal honey bee." Journal of evolutionary biology 32.2 (2019): 144-152.

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