Neural crest cells break off from the ________ and later move to the sides of the developing embryo to form ________
Placodes, sense organs of head
Ectoderm, sense organs of head
Notochord, vertebral column
Neural tube, autonomic ganglia
Both corpus luteum and macula lutea are
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
The placental barrier between the maternal and foetal blood is minimum in
The main function of tropho ectoderm in mammalian embryo is
Sperms are released from the seminiferous tubules by the process called .....