Puas yog homologous chromosomes muaj tib lub noob?
Puas yog homologous chromosomes muaj tib lub noob?

Video: Puas yog homologous chromosomes muaj tib lub noob?

Video: Puas yog homologous chromosomes muaj tib lub noob?
Video: What is a Chromosome? 2024, Kaum ib hlis
Anonim

Ib chromosome ntawm txhua tus homologous khub los ntawm niam (hu ua niam chromosome ) thiab ib tug los ntawm leej txiv (paternal chromsosome). Homologous chromosomes zoo ib yam tab sis tsis yog zoo ib yam . Txhua tus nqa lub tib cov noob hauv ib yam kev txiav txim, tab sis cov alleles rau txhua qhov zoo yuav tsis yog ib yam.

Kuj paub, vim li cas homologous chromosomes muaj tib tus lej ntawm cov noob?

Qhov 22 khub ntawm homologous chromosomes muaj cov tib cov noob tab sis txoj cai sib txawv ntawm lawv cov ntaub ntawv allelic txij thaum ib tug tau txais los ntawm leej niam thiab ib tug los ntawm leej txiv. Yog li ntawd tib neeg muaj ob homologous chromosome teev nyob rau hauv txhua lub cell, txhais tau tias tib neeg yog cov kab mob diploid.

Ib yam li ntawd, homologous chromosomes txawv li cas? Ob tug mej zeej ntawm a homologous chromosome txawv los ntawm ib leeg vim lawv muaj cov qauv sib txawv ntawm tib lub noob, hu ua alleles.

Ntawm no, puas yog homologous chromosomes nyob hauv mitosis?

Homologous chromosomes yog tam sim no hauv ob qho tib si mob mitosis thiab meiosis , tab sis lawv tsis tsim khub hauv mob mitosis . Es lawv yuav tsim homologous chromosome khub thaum meiosis , uas tso cai rau kev hla mus tshwm sim.

Dab tsi yog qhov txawv ntawm homologous thiab nonhomologous chromosomes?

Lub ntsiab Qhov sib txawv ntawm homologous thiab non-homologous chromosomes yog tias homologous chromosomes muaj alleles ntawm tib hom noob hauv tib loci whereas non-homologous chromosomes muaj cov alleles ntawm txawv hom noob caj noob ces.

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