Gametogenesis, kev tsim cov phev (spermatogenesis) thiab qe (oogenesis), tshwm sim los ntawm cov txheej txheem meiosis . … Qhov thib ob spermatocytes spermatocytes Spermatocytes yog ib hom txiv neej gametocyte hauv cov tsiaj. Lawv muab tau los ntawm cov kab mob uas tsis paub tab hu ua spermatogonia. Lawv pom nyob rau hauv lub testis, nyob rau hauv ib tug qauv hu ua seminiferous tubules. … Primary spermatocytes yog diploid (2N) cells. Tom qab meiosis I, ob lub spermatocytes thib ob yog tsim. https://en.wikipedia.org › wiki › Spermatocyte
Spermatocyte - Wikipedia
yuav mus dhau qhov kev faib meiotic thib ob rau txhua qhov tsim tawm ob lub spermatids; cov hlwb no thaum kawg yuav tsim flagella thiab ua cov phev laus.
spermatogenesis hauv gametogenesis yog dab tsi?
Spermatogenesis yog txheej txheem los ntawm cov spermatozoa haploid tsim los ntawm cov kab mob hauv cov tubules seminiferous ntawm testis. … Spermatozoa yog cov txiv neej laus gametes hauv ntau yam kab mob sib deev. Yog li, spermatogenesis yog txiv neej version ntawm gametogenesis, uas tus poj niam sib npaug yog oogenesis.
Lub sijhawm twg ntawm cov spermatogenesis meiosis tshwm sim?
Ib tug thawj spermatocyte tau hloov mus ua ob lub spermatocytes thib ob thaum lub sij hawm meiosis I - cov hlwb ces tig mus rau hauv (1N) spermatids thaum lub sij hawm meiosis II. Qhov thib ob meiotic faib yog ceev (thiabYog li ntawd tsawg heev cov spermatocytes thib ob tuaj yeem txheeb xyuas hauv cov kab mob histological).
Dab tsi yog theem ntawm gametogenesis?
Gametogenesis muab faib ua plaub theem:
- Extra-gonadal keeb kwm ntawm cov kab mob primordial.
- Kev loj hlob ntawm cov kab mob los ntawm mitosis.
- Meiosis.
- Cov qauv thiab kev ua haujlwm loj hlob ntawm ova thiab spermatozoa.
Dab tsi yog qhov tseeb ntawm theem thaum lub sij hawm spermatogenesis?
(D) Kev sib raug zoo hauv spermatogenesis yog: Spermatononia → Primary spermatocytes → Secondary spermatocytes → Spermatids → Sperms.
