An egg cell in a gorilla contains 24 chromosomes. When the egg cell is fertilized, which of the following occurs? A.
The 24 original chromosomes replicate, resulting in 48 chromosomes in the fertilized egg.

B.
The 24 original chromosomes split at the centromere, resulting in 48 chromosomes in the fertilized egg.

C.
The nucleus of a sperm cell fuses with the nucleus of the original egg cell, resulting in 48 chromosomes in the fertilized egg.

D.
The nucleus of another egg cell pairs with the nucleus of the original egg cell, resulting in 48 chromosomes in the fertilized egg.