teb rau lo lus nug yog 500. Raws li peb paub tias hauv tus ntoo khaub lig dihybrid, 500 cov nroj tsuag tsis huv tsuas yog rau ib tus cim hauv F2 tiam ntawm 1000 nroj tsuag.
Muaj pes tsawg tsob nroj Dihybrid hauv dihybrid hla?
In the F2 tiam ntawm dihybrid cross, peb tau 4 dihybrid nroj tsuag muaj genotype RrYy, thaum peb hla RRYY (puab daj) thiab rryy (wrinkled ntsuab) nroj tsuag.
Muaj pes tsawg tsob nroj Dihybrid hauv F2 tiam ntawm dihybrid hla:-?
Sixteen. HINT: Mendel tau ua nws cov kev sim uas siv ntau txoj kab kev ua tsis tau zoo nkauj uas muaj cov cwj pwm tsis tu ncua, cov lus qhia rau ntau tiam neeg.
F2 phenotypic piv ntawm tus ntoo khaub lig dihybrid yog dab tsi?
Mendel pom tias F2 progeny ntawm nws tus ntoo khaub lig dihybrid muaj 9: 3: 3: 1 pivthiab tsim cuaj cov nroj tsuag nrog puag ncig, cov noob daj, peb cov nroj tsuag nrog puag ncig, Cov noob ntsuab, peb cov nroj tsuag nrog wrinkled, daj noob thiab ib tsob nroj nrog wrinkled, ntsuab noob.
Dab tsi yog qhov piv rau tus ntoo khaub lig dihybrid?
This 9:3:3:1 phenotypic piv yog qhov piv txwv ntawm Mendelian classic rau tus ntoo khaub lig dihybrid uas cov alleles ntawm ob hom noob sib txawv ntawm nws tus kheej rau hauv gametes.
