Cov txiv laum huab xeeb siab uas nws tus kheej yuav tsum yog heterozygous hauv xwm i.e muaj gametes T thiab t. Tus ntoo khaub lig yuav: Tt X Tt ua rau 1 TT, 2 Tt, (tag nrho cov no yog cov nroj tsuag siab) thiab 1 tt, uas yuav yog cov nroj tsuag nkaus xwb.
Thaum cog qoob loo siab tau Selfed nws tsim tau ib plaub?
Thaum cog txiv laum huab xeeb yog tus kheej-pollinated, ib feem plaub ntawm cov menyuam yaus yog dwarf.
Thaum cog qoob loo siab tau Selfed nws tsim?
Kev tsim ib-plaub plaub tus menyuam ntxaib ntawm tus kheej ntawm tsob ntoo siab siab qhia tias cog yog heterozygous.
Thaum twg cog txiv laum huab xeeb tau Selfed ib co ntawm cov xeeb leej xeeb ntxwv uas tsim tau dwarf?
Ib txhia ntawm cov xeeb leej xeeb ntxwv uas tsim tau neeg ntsias nyob rau hauv ib tug ntoo khaub lig ntawm ob siab pea nroj tsuag, txhais tau hais tias niam txiv pea nroj tsuag yog heterozygous rau siab (Tt), piv txwv li lawv muaj ib tug recessive gene (t) rau dwarfness thiab cov nroj tsuag dwarf (tt) yog cov gene alleles recessive rau dwarfness los ntawm ob qho tib si ntawm niam txiv nroj tsuag.
Thaum twg cog tshuaj yej siab tau nws tus kheej pollinated?
Thaum ib tsob txiv ntoo siab tau ua rau nws tus kheej pollinated, ib feem plaub ntawm cov menyuam mos liab. Thaum ib tsob ntoo siab siab tau pollinated nws tus kheej, ib feem plaub ntawm cov menyuam yaus yog cov dwarf.
