Question

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

A) extra chromosome; insertion
B) foreign chromosome; deletion
Eliminate
C) extra chromosome; nondisjunction
D) mutated chromosome; crossing over

Answer 1

C is the correct answer

Answer 2

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