Piav qhia qhov zoo tshaj plaws rau cov paj paj yeeb?

Cov txheej txheem:

Piav qhia qhov zoo tshaj plaws rau cov paj paj yeeb?
Piav qhia qhov zoo tshaj plaws rau cov paj paj yeeb?

Video: Piav qhia qhov zoo tshaj plaws rau cov paj paj yeeb?

Video: Piav qhia qhov zoo tshaj plaws rau cov paj paj yeeb?
Video: zoo nyob tag npaum no xoom ceev2 kom phev los tso mam saib seb yog leej twg 2024, Hlis ntuj nqeg
Anonim

piav qhia qhov zoo tshaj plaws rau cov paj paj yeeb? Paj paj xim yog recessive rau xiav paj xim.

pes tsawg tus xeeb ntxwv yuav muaj paj liab?

pes tsawg feem pua ntawm cov paj tawg paj liab? Paj paj yeeb pub rau r allele thiab ua paj liab hauv 50% ntawm cov xeeb ntxwv.

Yuav ua li cas yog lub genotype ntawm paj liab?

Lub genotype rau paj paj yog Rr thiab genotype rau paj dawb yog rr. Qhov no yuav ua rau muaj 50% txoj hauv kev ntawm cov xeeb ntxwv uas muaj phenotype ntawm liab.

Yuav ua li cas qub txeeg qub teg tshwm sim thaum lub paj liab tshwm sim los ntawm tus ntoo khaub lig ntawm cov xim liab liab thiab cov xim dawb?

Nyob hauv codominance, tsis yog allele yog dominant dua lwm tus, yog li ob leeg yuav tsum tau qhia sib npaug hauv heterozygote. Hauv tsis tiav dominance, muaj qhov nruab nrab heterozygote (xws li paj liab thaum niam txiv phenotypes liab thiab dawb).

piav qhia qhov zoo tshaj plaws rau cov menyuam muaj xim liab yog dab tsi?

Cov noob no germinate thiab loj hlob mus rau hauv flowering nroj tsuag. Ntawm cov nroj tsuag no, 36 tsim paj xiav thiab 14 tsim paj paj yeeb. Dab tsi yog qhov kev piav qhia zoo tshaj plaws rau cov paj paj yeeb? A) Paj paj xim yog qhov zoo tshaj plaws rau xiav paj xim.

Pom zoo: