oring Enabled: Final Exam

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$1$ I have a diploid organism $(2n)$ with $4$ pairs of homologous chromosomes $($total of $8$ chromosomes$).$ During crossing over, the maternal chromosome $4$ lines up with the paternal chromosome $4$ and they exchange arms. You would predict that this happening is:

Multiple Choice

A big problem, as the gametes may end up with too many or too few copies of some genes

A big problem, as the gametes may end up with too many or too few chromosomes

Not a problem, as transferring arms between homologous chromosomes is normal

Not a problem, as having too many or too few copies of a gene generally does not affect a cell