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The karyotype indicates a problem with chromosome 18. What is the problem and what is the BEST explanation for why it occurred?

Aextra chromosome; insertion
Bforeign chromosome; deletion

Eliminate

Cextra chromosome; nondisjunction
Dmutated chromosome; crossing over

Verified Answer :

taskmasters

A karyotype views the nucleus of the cell and the inspects the number and the appearance of the chromosomes. This would mean that the nature of the problem could be
A) extra chromosome; insertion 
AND
D) mutated chromosome; crossing over

C is the correct answer


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