Dab tsi yog qhov chaw ntawm DNA?
Dab tsi yog qhov chaw ntawm DNA?

Video: Dab tsi yog qhov chaw ntawm DNA?

Video: Dab tsi yog qhov chaw ntawm DNA?
Video: Yog hmoov dab tsi - Gao Nou Kue ft. Mang Vang (Official Music Video) New song 2020 2024, Kaum ib hlis
Anonim

Hauv genetics, a chaw (plural loci ib ) yog ib txoj hauj lwm ruaj khov ntawm ib chromosome qhov twg ib qho gene lossis cov cim caj ces nyob. Cov noob caj noob ces yuav muaj ntau yam sib txawv hu ua alleles, thiab allele kuj tseem tuaj yeem hais tias nyob ntawm ib qho tshwj xeeb. chaw.

Xav txog qhov no, dab tsi yog qhov txawv ntawm ib lub noob thiab ib qho chaw?

Locus tsuas yog qhov chaw nyob ntawm chromosome qhov twg ib qho tshwj xeeb noob pom. Cov noob yog cov kab ke ntawm DNA feem ntau pom ntawm chromosomes. Qhov no txhais tau tias yog 1 allele yuav muaj me ntsis txawv kab zauv ntawm DNA mus rau lwm cov allele(s). Alleles ntawm ib leeg pom ntawm tib yam chaw ntawm chromosome.

Ib yam li ntawd, allele thiab locus yog dab tsi? Genes code rau proteins, alleles yog variants ntawm cov noob, thiab loci ib yog qhov chaw ntawm chromosome.

Locus nyob rau hauv science yog dab tsi?

Ntxiv rau qhov ua ib lub hub lossis hotspot, chaw muaj cov ntsiab lus tshwj xeeb thaum siv lej lossis kev kawm . Hauv lej, a chaw yog thaum ib pawg ntawm cov ntsiab lus tag nrho sib ntsib ntawm qhov chaw uas tau teem tseg: lub voj voog yog qhov chaw ntawm cov ntsiab lus sib npaug ntawm qhov ntev los ntawm ib qho muab. Hauv genetics, cov chaw yog qhov chaw ntawm ib lub noob ntawm ib chromosome.

gene allele thiab locus yog dab tsi?

Ib allele yog ib daim ntawv variant ntawm a noob . Ib txhia noob muaj ntau hom kev sib txawv, uas nyob ntawm tib txoj haujlwm, lossis caj ces , ntawm chromosome. Tib neeg hu ua diploid kab mob vim lawv muaj ob alleles ntawm ib leeg caj ces ,cu ib allele tau txais los ntawm txhua tus niam txiv.

Pom zoo: