Formation of notochord or the central axial chord in vertebrates is known as
Neurulation
Blastulation
Morulation
Notogenesis
During the fourth and sixth cleavage of the zygote
When a small piece of dorsal lip of blastopore of frog's early gastrula is transplanted into another gastrula of similar age at ventral lip, the result is
During fertilization, which centriole of the sperm gives rise to a spindle system inside the egg
The human embryo is about one inch in length after
Which of the following undergoes spermiogenesis?