Question

If an egg that contains 24 chromosomes instead of 23 chromosomes is fertilized by a normal sperm, the result is

Answer 1

However, in this question, the egg cell has 24 chromosomes instead of 23. This extra chromosome is often due to an error in meiosis, the type of cell division that makes gametes. So, after fertilization of an ovum with 24 chromosomes with a sperm cell with 23 chromosomes, a zygote with 47 chromosomes is the result