Thaum blush nws yuav zoo li tsis yooj yim sua lawv yuav zoo li txawv. Tom qab tag nrho, thaum muaj qhov sib txawv loj tuaj yeem tshwm sim nrog cov kwv tij ntxaib, tus menyuam ntxaib zoo ib yam feem ntau yog raws nraim - zoo tib yam ntawm daim tawv nqaij, plaub hau thiab qhov muag xim.
Tus menyuam ntxaib puas zoo ib yam zoo ib yam?
Yes! Cov menyuam ntxaib zoo tib yam tuaj ntawm tib cov phev thiab qe, yog li lawv muaj tib chromosomes thiab cov noob. Tab sis muaj qhov sib txawv ntawm ib puag ncig uas tuaj yeem cuam tshuam qhov lawv saib thiab coj tus cwj pwm. … Raws li cov menyuam ntxaib zoo ib yam zuj zus lawm lawv yuav zoo li ntau thiab txawv dua, vim tias lawv raug rau ntau qhov chaw sib txawv.
Tus menyuam ntxaib twg zoo ib yam?
Ib leeg ntxaib muaj tib DNA; Txawm li cas los xij, lawv yuav tsis zoo ib yam li ib leeg vim yog ib puag ncig xws li txoj haujlwm hauv plab thiab kev ua neej tom qab yug los.
Vim li cas tus ntxaib zoo ib yam zoo ib yam?
Vim cov menyuam ntxaib zoo ib yam los ntawm ib qho zygote uas sib cais ua ob, lawv muaj tib cov noob zoo tib yam- raws nraim tib daim ntawv qhia. Ob leeg yuav muaj ob lub qhov muag thiab plaub hau tib yam, thiab yuav zoo tib yam.
Vim li cas cov menyuam ntxaib muaj peev xwm qee zaum zoo ib yam li cov menyuam ntxaib zoo ib yam?
Cov menyuam ntxaib yuav zoo sib xws ntau dua li cov kwv tij uas tsis yog ntxaib vim lawv muaj hnub nyoog tib yam, thiab vim lawv sib koom ib puag ncig (xws li kev noj zaub mov ua ntej yug menyuam thiab tom qab yug menyuam).
