الفهرس | Only 14 pages are availabe for public view |
Abstract In the present study the larval stages of the Egyptian toad bufo regularis (Bufonidae) were used . Three group of newly fertilized eggs were analyzed . One group was irradiated with ultraviolet for the production of haploid individuals the second group was heat shocked for the production of triploid individuals while the third one remained intact as normal diploid individuals |