Qhov sib txawv tseem ceeb ntawm daim ntawv qhia caj ces thiab daim ntawv qhia kev sib txuas yog hom genes siv rau txoj kev kos duab. Daim ntawv qhia caj ces muaj tag nrho cov noob tam sim no ntawm ib qho chromosome thaum daim ntawv qhia kev sib txuas muaj cov noob txuas uas muaj nyob rau ntawm ib qho chromosome.
Daim ntawv qhia caj ces thiab daim ntawv qhia kev sib txuas yog ob hom chromosomal maps uas qhia txog cov noob muaj nyob ntawm chromosomes. Daim ntawv qhia caj ces qhia tag nrho cov noob thaum daim ntawv qhia txuas qhia tsuas yog cov noob txuas. Ob qho tib si muaj txiaj ntsig zoo hauv kev kuaj mob caj ces thiab kab mob. Tsis tas li ntawd, chromosomal aberrations kuj tuaj yeem kuaj tau siv cov kab mob caj ces thiab cov ntawv sib txuas. Cov ntawv txuas txuas ntxiv muab lub tswv yim ntawm kev hloov pauv ntawm cov noob tshwj xeeb.
Dab tsi yog Genetic Map?
Genetic map yog daim ntawv qhia ua tiav ntawm cov noob hauv chromosome. Qhov no tseem hu ua chromosome mapping. Qhov no yuav muab cov ntaub ntawv hais txog cov noob caj noob ces nyob hauv chromosome. Ntxiv mus, cov txheej txheem genetic mapping siv lub cev daim ntawv qhia txoj kev los nrhiav cov noob ntawm chromosomes.
Daim duab 01: Daim Ntawv Qhia Tshuaj Ntsuam Xyuas
Kev ntsuas caj ces kuj tuaj yeem pom cov chromosomal aberrations. Yog li, daim ntawv qhia caj ces ua raws li cov cuab yeej kuaj mob txhawm rau txheeb xyuas cov xwm txheej xws li Downs syndrome thiab Turners syndrome. Karyotyping yog ib qho txheej txheem uas tuaj yeem siv los tsim daim ntawv qhia caj ces. Tsis tas li ntawd, staining yog cov txheej txheem tseem ceeb los tsim daim ntawv qhia caj ces. Ntau hom stains xws li ethidium bromide, acridine txiv kab ntxwv thiab Giemsa yog siv rau hauv staining.
Daim ntawv qhia txuas yog dab tsi?
Daim ntawv qhia kab txuas txuas siv siv lub tswv yim ntawm kev sib txuas caj ces. Yog li ntawd, daim ntawv qhia kev sib txuas qhia tau hais tias cov gens txuas nrog rau ntawm chromosome. Qhov no feem ntau yog txhais yuam kev raws li daim ntawv qhia caj ces thiab. Kev piav qhia ntawm cov noob caj noob ces txiav txim siab lub cev yam ntxwv tseem ceeb hauv kev kuaj kab mob caj ces. Qhov no kuj muab ib lub tswv yim hais txog qhov qub txeeg qub teg ntawm cov noob nyob ze heev rau ib leeg nyob rau hauv ib tug chromosome.
Daim duab 02: Daim Ntawv Qhia Txuas Txuas
Txoj kev sib txuas kuj ua rau tus kws tshawb fawb nkag siab tias cov noob muaj nyob hauv cov chromosome li cas. Nws kuj tseem ceeb hauv kev kuaj kab mob.
Dab tsi yog qhov Zoo sib xws ntawm Daim Ntawv Qhia Kab Mob thiab Daim Ntawv Qhia Txuas Txuas?
- Daim ntawv qhia caj ces thiab daim ntawv qhia txuas yog qhov tseem ceeb hauv kev kuaj mob ntawm chromosomal aberrations thiab kab mob caj ces.
- Ob leeg siv cov txheej txheem staining kom pom cov noob hauv microscopy.
- Ntxiv mus, karyotyping yog txoj hauv kev uas peb siv hauv ob qho tib si kev kos duab.
Dab tsi yog qhov txawv ntawm Genetic Map thiab Linkage Map?
Daim ntawv qhia caj ces qhia tau hais tias tag nrho cov noob muaj nyob ntawm chromosome. Hauv qhov sib piv, daim ntawv qhia kev sib txuas qhia tsuas yog cov caj ces txuas nrog rau ntawm chromosome. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm daim ntawv qhia caj ces thiab daim ntawv qhia kev sib txuas. Daim ntawv qhia caj ces yog qhov tseem ceeb hauv kev kuaj kab mob thiab kuaj xyuas cov chromosomal aberrations thaum daim ntawv qhia kev sib txuas yog qhov tseem ceeb hauv kev nkag siab txog kev xeeb tub thiab kev hloov pauv ntawm cov noob txuas thiab cov kab mob ntsig txog caj ces. Qhov no yog qhov txawv ntawm daim ntawv qhia caj ces thiab daim ntawv qhia kev sib txuas raws li kev siv.
Summary – Genetic Map vs Linkage Map
Genetic mapping and linkage mapping is two maps techniques used in genetic diagnosis. DNA yog lub hauv paus rau ob hom kev qhia. Daim ntawv qhia caj ces qhia txog tag nrho cov noob hauv ib qho chromosome thaum daim ntawv qhia kev sib txuas qhia cov noob txuas hauv ib qho chromosome. Qhov no yog qhov sib txawv tseem ceeb ntawm daim ntawv qhia caj ces thiab daim ntawv qhia kev sib txuas. Karyotyping yog cov txheej txheem peb siv rau ob qho tib si kev kos duab. Nws ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab txog evolution thiab caj ces tiam sis.
