Page 69 - Demo

Pyetje dhe ushtrime përmbledhëse 1. Rrethoni alternativën e saktë.Kur veza bashkohet me spermatozoidin, formohet: a) një spor; b) një vezë; c) një zigotë; d) një klon. 2. Plotësoni tabelën e mëposhtme me karakteristikat përkatëse. Spermatozoidi Veza3. Shkruani fjalët e duhura në vendet bosh. spermatogjenezë, gametogjenezë, vezoret, ovogjenezë, testikujt. Procesi i formimit të qelizave seksuale (gametëve) quhet ____________________________. Ky proces ndodh përkatësisht te meshkujt, në organet kryesore seksuale, që janë ____________________________, dhe te femrat, në organet kryesore seksuale, që janë ____________________________. Procesi i formimit të spermatozoideve quhet ____________________________, ndërsa ai i formimit të vezëve quhet ____________________________. 4. Emërtoni fazat e zhvillimit embrional në figurën e mëposhtme.a) _______________________________________________________ b) _______________________________________________________c) _______________________________________________________ d) _______________________________________________________e) _______________________________________________________ f) _______________________________________________________g) _______________________________________________________5. Shkruani një përkufizim për termin “fekondim”. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________6. Shpjegoni procesin e lindjes. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________DITA 1 DITA 1DITA 2DITA 6 DITA 5 DITA 2SpermatozoidiVeza Pllenimi ZigotaNdarja e parëBlastocisti Morula 4 qeliza674.3