Video: Puas yog meiosis 2 haploid lossis diploid?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Meiosis ua 4 haploid hlwb. Mitosis tsim 2 diplo hlwb. Lub npe qub rau meiosis yog txo / faib. Meiosis Kuv txo cov ploidy theem ntawm 2n mus rau n (txo) thaum Meiosis II faib cov seem ntawm chromosomes hauv cov txheej txheem mitosis zoo li (kev faib).
Kuj nug, yog cov khoom ntawm meiosis 1 haploid lossis diploid?
Txawm li cas los xij, Meiosis Kuv pib nrog ib qho diploid niam txiv cell thiab xaus nrog ob haploid cov menyuam ntxhais, ib nrab ntawm cov chromosomes hauv txhua lub cell. Meiosis II pib nrog ob haploid niam txiv hlwb thiab xaus nrog plaub haploid cov menyuam ntxhais, tswj tus naj npawb ntawm chromosomes hauv txhua lub cell.
Tsis tas li ntawd, nyob rau theem twg ntawm meiosis cov hlwb mus ntawm diploid mus rau haploid? A diploid cell ua haploid thaum lub sij hawm Meiosis Kuv thiab ua tiav tom qab Telephase I. Cov chromosomes homologous (los ntawm niam & txiv, tag nrho duplicated) ua khub thaum prophase kuv tsim tetrads. Cov khub ntawm homologs kab ntawm lub phaj metaphase thaum metaphase I.
Ib yam li ntawd, nws tau nug, puas yog meiosis 2 tib yam li mitosis?
Meiosis II yog ib yam li mitosis . In Meiosis II , cell muaj cov ib yam tus naj npawb ntawm cov chromosomes raws li nyob rau hauv niam txiv cell vim hais tias haploid tus naj npawb ntawm chromosomes tsis tuaj yeem muab faib ntxiv.
Dab tsi yog qhov txhais ntawm meiosis 2?
Txhais . Qhov thib ob ntawm cov ob Kev sib cais ntawm cov nucleus ntawm eukaryotic cell thaum lub sijhawm meiosis , thiab muaj cov theem hauv qab no: prophase II , metaphase II , ua anaphase II , thiab telophase II . Ntxiv. Meiosis yog ib daim ntawv tshwj xeeb ntawm kev faib cell uas thaum kawg ua rau cov hlwb tsis zoo ib yam.
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