Tus noob rau siab ( T) yog qhov tseem ceeb tshaj cov noob rau luv (t) hauv cov txiv ntoo. Ib homozygous dominant pea cog yog hla nrog heterozygous pea cog, thiab 200 noob raug tsim.
Dab tsi yog qhov tseem ceeb ntawm cov txiv laum huab xeeb?
Nyob rau hauv peas nroj tsuag, siab alleles (T) yog dominant thiab luv alleles (t) yog recessive.
Puas siab yog qhov tseem ceeb hauv cov txiv laum huab xeeb?
Ntsuab pod. Lus Qhia: Pea cog tau siv los ntawm Mendel rau nws qhov kev sim ntawm qub txeeg qub teg. … Rau qhov siab ntawm tsob ntoo, muaj peev xwm muaj ob yam zoo – siab thiab ntsias. Tallness is a dominant trait thiab dwarfism is a recessive trait.
Dab tsi allele yog dominant rau siab?
Cov noob caj ces no hu ua alleles. Piv txwv li, nco ntsoov tias rau qhov siab gene hauv pea nroj tsuag muaj ob yam ua tau. Cov yam tseem ceeb no yog alleles. Muaj ib qho tseem ceeb allele rau qhov siab (T) thiab ib qho allele recessive rau luv (t).
Qhov twg yog qhov tseem ceeb rau cov txiv laum huab xeeb luv lossis siab?
Tus noob siab yog qhov tseem ceeb hauv cov txiv ntoo. Cov noob luv luv yog recessive. Yog vim li cas cov nroj tsuag nrog ib tug siab siab thiab ib tug luv gene yeej ib txwm siab.
