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AIM Study of T.S. of blastula through permanent slide. PRINCIPLE Blastula is early embryonic stage formed after repeated cleavage divisions of zygote. In mammals it is called blastocyst with outer trophoblast and inner cell mass enclosing fluid filled blastocoel cavity. Trophobla...
AIM To study the pollen germination on stigma through permanent slide. PRINCIPLE Pollen germination on stigma is an essential step of sexual reproduction in angiosperms. Compatible pollen grains are recognized by stigma and germinate to form pollen tube that carries male gametes...
Discusses Y chromosome structure, its evolutionary degeneration, and health impacts of loss of Y (LOY) in men.
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