In pisum sativum lub dwarfness ntawm tsob nroj yog ib tug cim?

Cov txheej txheem:

In pisum sativum lub dwarfness ntawm tsob nroj yog ib tug cim?
In pisum sativum lub dwarfness ntawm tsob nroj yog ib tug cim?
Anonim

Teb: Nws yog ib tus cwj pwm caj ces.

hom nroj tsuag yog dab tsi?

Nyob hauv Pisum sativum, dwarfness of plant is a character.

Vim li cas Mendel thiaj siv tau txiv laum huab xeeb hauv nws qhov kev sim?

Kev kawm noob caj noob ces, Mendel tau xaiv los ua haujlwm nrog cov txiv laum huab xeeb vim lawv muaj cov yam ntxwv uas paub tau yooj yim (Daim duab hauv qab). … Mendel kuj siv tau txiv laum huab xeeb vim lawv tuaj yeem ua rau tus kheej pollinate los yog hla-pollinated. Self-pollination txhais tau hais tias tsuas yog ib lub paj koom nrog; lub paj nws tus kheej pollen av rau ntawm poj niam cev xeeb tub.

pea reproduce?

Peas feem ntau reproduce by self-pollination, nyob rau hauv uas paj ntoos tsim los ntawm ib lub paj fertilizes qe nyob rau hauv tib lub paj. Pea nroj tsuag loj hlob sai thiab tsis xav tau ntau qhov chaw.

Vim li cas cov txiv laum huab xeeb ua rau nws tus kheej fertilize?

Pea nroj tsuag kuj feem ntau ua rau nws tus kheej fertilize, txhais tau tias tib tsob nroj ua rau cov phev thiab qe uas tuaj ua ke hauv fertilization. … Qhov no yog ua los ntawm kev hloov pollen los ntawm anthers (txiv neej qhov chaw) ntawm ib tug txiv neej cog ntawm ib tug ntau yam mus rau carpel (poj niam ib feem) ntawm ib tug paub tab cog ntawm ntau yam.

Pom zoo: