How many chromosomes does a zygote have?

Whose zygote? Assuming human my answer goes as — Zygote is the end product of fusion of male spermatozoa and female ova. Spermatozoa which has undergone meiosis cell division has haploid number of chromosomes i.e, 23. read more

Each parent gives the zygote 23 chromosomes. All human gametes without mutations contain 23 and when joined during fertilization they form a zygote with 46 chromosomes. However, chromosome number varies by species, for example a normal pigeon zygote would have 80 chromosomes. read more

A zygote is the result of the fusion of two nuclei, the sperm nucleus and the egg nucleus. Therefore, a zygote will have twice the number of chromosomes that the egg and sperm have. Generally, this will be two sets of chromosomes in the zygote, one from the sperm and one from the egg. read more