oogonium मीनिंग इन हिंदी

उदाहरण वाक्य

1. The penetration of an oogonium via an antheridium leads to the formation of a sexual spore or an oospore.
2. Once firmly attached, sexual reproduction begins with the production of male and female gametangium, antheridia and oogonium respectively.
3. An oogonium can be likened to a female reproductive organ while an antheridium carries out the role of a male reproductive organ.
4. Phytophthora capsici produces both a male and a female type gametangia called an antheridium ( male ) and an oogonium ( female ).
5. Oospores are made after the male gamete, antheridium, and female gamete, oogonium, undergo fertilization and then sexual recombination ( meiosis ).
6. The sex organs are developed in pairs from the adaxial nodal cell at the upper nodes of the primary lateral branches, the oogonium being formed above the antheridium.
7. In others the monoecious condition is complicated by the development of the antheridium before the formation of the oogonium, thus preventing fertilization by antherozoids of the same alga.
8. The antheridium is amphigynous in the species, meaning that the antheridium may remain in this male form of the gametangia or develop into the female gametangia which is an oogonium.
9. After female ( XX ) germ cells collect in the undifferentiated gonads, the up-regulation of " Stra8 " is required for germ cell differentiation into an oogonium and eventually enter meiosis.
10. Oogonium  ( Oocytogenesis )  > Primary Oocyte  ( Meiosis I )  > First Polar Body ( Discarded afterward ) + Secondary oocyte  ( Meiosis II )  > Second Polar Body ( Discarded afterward ) + Ovum