Rhnull phenotype yog ib pawg ntshav tsis tshua muaj zaus ntawm kwv yees li 1 ntawm 6 lab tus tib neeg, kis los ntawm hom autosomal recessive. Nws yog tus cwj pwm los ntawm qhov tsis muaj zog (Rhmod) lossis tsis muaj (Rhnull) ntawm kev qhia ntawm tag nrho cov Rh antigens ntawm cov hlwb liab.
Puas muaj pes tsawg tus neeg muaj Rh tsis muaj ntshav?
hom ntshav no tsawg kawg nkaus xwb 43 tus neeghauv ntiaj teb tau tshaj tawm tias muaj nws, thiab tsuas muaj cuaj tus neeg pub dawb xwb. Txog xyoo 1961, cov kws kho mob xav tias ib tus neeg tsis muaj tag nrho cov tshuaj Rh antigens yuav tsis ua kom nws tawm hauv tsev menyuam.
haiv neeg twg muaj Rh tsis muaj ntshav?
Cov neeg mob ntshav no muaj qhov tsis muaj tag nrho ntawm Rh antigens. Nws tau pom thawj zaug hauv ib qho Aboriginal Australian thiab yog qhov tsawg kawg nkaus, nrog tsawg dua 50 tus neeg paub tias muaj Rh null ntshav hauv 50 xyoo tom qab nws nrhiav pom.
Vim li cas Rh tsis muaj ntshav tsawg?
Txhua tus neeg muaj ob yam Rh hauv lawv cov caj ces, ib qho los ntawm txhua tus niam txiv. … Tsuas yog cov neeg uas muaj yam tsawg kawg ib yam Rh-negative yuav muaj hom ntshav tsis zoo, uas yog vim li cas qhov tshwm sim ntawm Rh-negative ntshav tsawg dua li Rh-positive ntshav.
3 hom ntshav uas tsawg tshaj plaws yog dab tsi?
hom ntshav tsawg tshaj plaws yog dab tsi?
- AB-negative (. 6 feem pua)
- B-negative (1.5 feem pua)
- AB-positive (3.4 feem pua)
- A-tsis zoo (6.3 feem pua)
- O-negative (6.6feem pua)
- B-positive (8.5 feem pua)
- A-positive (35.7 feem pua)
- O-positive (37.4 feem pua)
