Poj niam yuav muaj ob tug X-txuas alleles (vim poj niam yog XX), hos txiv neej tsuas muaj X-txuas allele (vim txiv neej yog XY). Feem ntau X-txuas yam zoo nyob rau hauv tib neeg yog recessive.
Qhov twg chromosome cim ua ke sawv cev rau poj niam?
Tib neeg muaj ib khub ntxiv ntawm kev sib deev chromosomes rau tag nrho 46 chromosomes. Cov chromosomes kev sib deev raug xa mus rau X thiab Y, thiab lawv cov kev sib xyaw ua ke txiav txim siab rau tus neeg sib deev. Feem ntau, tib neeg poj niam muaj ob X chromosomes thaum txiv neej muaj XY ua khub.
Qhov tshwm sim yog dab tsi uas tus poj niam tus menyuam ntawm Charles Marie yuav raug mob hemophilia?
Qhov tshwm sim yog dab tsi uas tus poj niam tus menyuam ntawm Charles thiab Marie yuav raug mob hemophilia? 0%.
Dab tsi yog genotype rau qhov kev cuam tshuam ntawm tus poj niam chromosome?
Tus genotype rau ib qho kev cuam tshuam ntawm tus poj niam yog XH.
YPuas yog PP genotype lossis phenotype?
Muaj peb hom genotypes, PP ( homozygous dominant), Pp (heterozygous), thiab pp (homozygous recessive). Tag nrho peb muaj cov genotypes sib txawv tab sis thawj ob muaj tib yam phenotype (liab ntshav) raws li qhov txawv ntawm peb (dawb).
