Structure of Ovum and Sperm

OVUM large size than sperm - ovum contains cytoplasm - nucleus - sperm very small - sperm consists of head -midpiece - tail - fertilization and embryo formation - fertilized ovum - male gamete - female gamete - GAMETE nucleus contain half number of fertilizations - head of sperm secretes enzymes to dissolve cellular membrane - zygote transfers to the uterus to be implantation - successful divisions - pregnancy period

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