Question

how many chromosomes are in a normal human karyotype? 46 22 sets of 3 23 46 pairs of 2

Explanation:

A normal human karyotype has 46 chromosomes. These are organized into 23 pairs. The options "22 sets of 3" and "46 pairs of 2" are incorrect as the number of pairs is 23 and each pair has 2 chromosomes. The option 23 is the number of chromosome pairs, not the total number of chromosomes.

Answer:

46