Why are there pairs of chromosomes in this karyotype? All BUT ONE answer could apply.

A Humans reproduce via sexual reproduction.Humans reproduce via sexual reproduction.
B This karyotype represents human cells after fertilization.This karyotype represents human cells after fertilization.
C Each individual inherits one of each pair from each parent.Each individual inherits one of each pair from each parent.
D Gametes contain one copy of each chromosome.Gametes contain one copy of each chromosome.
Question 2