jinsiy ko’payish, ontogenez
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untitled presentation image1.png image2.png image3.png image4.png image5.png image6.png image7.png image8.png image9.png image10.png image11.png image12.png image13.png image14.png image15.png image16.png image17.png image18.png image19.png image20.png image21.png image22.png image23.png image24.png jinsiy ko’payish, ontogenez biologiya 10-sinf 5-dars jinsiy ko’payishning shakllari y ° izogamiya ¢ shakli va o‘lchami bir xil, harakatchan erkak va urg‘ochi gametalarning qo‘shilishi bilan boradigan jinsiy ko‘payish shakli * (ulotriks) v * geterogamiya erkak va urg‘ochi gametalar harakatchan, lekin urg‘ochi gametalar erkak gametalarga nisbatan yirik bo‘lishi bilan xarakterlanadi (xlamidomonada). => * oogamiya urg‘ochi gametalar yirik, harakatsiz, erkak gametalar mayda bo‘lib, harakatchan bo‘ls...
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