Ib kab mob tuaj yeem ua tau homozygous tseem ceeb, yog tias nws nqa ob daim ntawv luam ntawm tib qho tseem ceeb allele, lossis homozygous recessive, yog tias nws nqa ob daim ntawv luam ntawm tib qho allele. Heterozygous txhais tau hais tias ib lub cev muaj ob qhov sib txawv ntawm cov noob. … Cov cab kuj ib txwm heterozygous.
Puas yog heterozygous dominant?
Ib yam kab mob nrog ib qho tseem ceeb allele thiab ib qho allele recessiveyog hais tias muaj ib hom kab mob heterozygous. Hauv peb qhov piv txwv, qhov genotype no tau sau Bb. Thaum kawg, lub genotype ntawm cov kab mob nrog ob lub recessive alleles hu ua homozygous recessive.
Puas yog heterozygous dominant rau ob qho tib si?
Heterozygous hais txog qhov muaj cov alleles sib txawv rau ib qho tshwj xeeb. Thaum alleles yog heterozygous nyob rau hauv tag nrho dominance qub txeeg qub teg, ib allele yog dominant thiab lwm yam yog recessive. Qhov sib piv genotypic nyob rau hauv tus ntoo khaub lig heterozygous uas ob niam txiv yog heterozygousrau qhov zoo yog 1: 2: 1.
YPuas yog heterozygous lossis homozygous dominant?
Qhov txawv ntawm homozygous thiab heterozygous
Lo lus "heterozygous" kuj hais txog ib khub ntawm alleles. Tsis zoo li homozygous, ua heterozygous txhais tau tias koj muaj ob qho sib txawv alleles. Koj tau txais ib qho kev sib txawv ntawm txhua tus niam txiv. Nyob rau hauv ib tug heterozygous genotype, tus tseem ceeb allele overrulestus recessive ib.
Puas yog heterozygous dominant ib tus neeg nqa khoom?
Yog cov alleles yog heterozygous, tus tseem ceeb allele yuavqhia nws tus kheej dhau qhov recessive allele, ua rau lub qhov muag xim av. Nyob rau tib lub sijhawm, tus neeg yuav raug suav hais tias a "tus neeg nqa khoom" ntawm qhov rov qab allele, txhais tau hais tias lub qhov muag xiav allele tuaj yeem kis mus rau cov xeeb ntxwv txawm tias tus neeg ntawd muaj qhov muag xim av.
