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Nearly all prokaryotic species are haploid (containing one chromosome) while many eukaryotic species, particularly multicellular ones, are diploid (containing two copies of each of multiple chromosomes).

Which of the following is NOT an advantage of diploidy?


The rate of mutation, and thus the rate of evolution, is generally higher in diploid cells.


New recessive mutations are not expressed in diploid cells.


New combinations of genes on chromosomes are easily produced in diploid cells.


There are additional mechanisms for DNA repair in diploid cells.

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