Could a short pea plant be heterozygous?

Cov txheej txheem:

Could a short pea plant be heterozygous?
Could a short pea plant be heterozygous?
Anonim

No, noob los yog allele rau luv luv los yog dwarf pea nroj tsuag yog recessive. Ib tsob nroj luv luv yog tsim yog tias ob qho tag nrho yog cov nroj tsuag luv.

Puas yog cov nroj tsuag heterozygous?

Ib tsob txiv laum huab xeeb yog heterozygous rau ob qho tib si noob zoo thiab noob xim. S yog cov allele rau qhov tseem ceeb, kheej kheej cov yam ntxwv; s yog allele rau qhov recessive, dented zoo yam ntxwv.

Cas luv stemmed pea cog puas tau heterozygous Vim li cas ho tsis?

Yuav ua li cas cog qoob loo luv luv puas yog ib qho kev sib xyaw rau qhov zoo ntawm qia qhov siab? Vim li cas los yog vim li cas ho tsis? Raws li ib feem ntawm koj qhov kev piav qhia, sau cov ntawv uas sawv cev rau cov alleles rau qia qhov siab ntawm cov txiv ntoo luv luv. No, ib tsob nroj luv muaj ob lub recessive (tt); hybrids muaj ob qho sib txawv alleles rau ntawm qhov zoo (Tt).

Puas yog luv pea nroj tsuag dominant lossis recessive?

Txawm li cas los xij, luv luv hauv cov txiv laum huab xeeb yog ib qho kev cuam tshuam. Cov nroj tsuag no yog homozygous nroj tsuag nrog ib tug ntshiab recessive zoo rau qhov siab. Cov me nyuam los ntawm cov nroj tsuag no yuav luv yog tias nws pollinates nrog lwm cov nroj tsuag uas muaj ob lub noob rau luv luv.

Thaum koj hla ib tsob ntoo siab siab nrog cov noob taum luv luv cov xeeb ntxwv yuav yog?

Thaum tsob ntoo siab thiab luv hla, txhua tus xeeb ntxwv siab. Yog hais tias tus me nyuam nws tus kheej fertilize, lawv tsim cov nroj tsuag siab thiab luv nyob rau hauv ib tug ratio ntawm 3: 1 nyob rau hauv tiam tom ntej.

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