Puas yog earlobes txuas nrog?
Puas yog earlobes txuas nrog?

Video: Puas yog earlobes txuas nrog?

Video: Puas yog earlobes txuas nrog?
Video: puas yog koj dag kuv ua nraug laus Tub Huas Xyooj MV 2023 2024, Kaum ib hlis
Anonim

Txuas pob ntseg : Lus dab neeg

dawb pob ntseg feem ntau yog siv los qhia txog qhov yooj yim noob caj noob ces . Cov lus dab neeg yog qhov ntawd pob ntseg tuaj yeem muab faib ua ob pawg meej, dawb thiab txuas , thiab hais tias ib lub noob tswj qhov zoo, nrog rau allele dawb pob ntseg ua tus tseem ceeb. Tsis yog ib feem ntawm cov lus dab neeg tsis muaj tseeb.

Nyob rau hauv no hais txog, yog txuas earlobes dominant los yog recessive?

Yog lawv txuas ncaj qha mus rau sab ntawm lub taub hau, lawv txuas earlobes . Qee cov kws tshawb fawb tau tshaj tawm tias qhov zoo li no yog vim muaj tib lub noob uas tsis sib txuas pob ntseg yog tseem ceeb thiab txuas earlobes yog rov ua dua.

Ib yam li ntawd, pes tsawg feem pua ntawm cov pej xeem tau txuas pob ntseg? 18 = 0.99 lossis 99 feem pua ntawm no pej xeem muaj tsis sib cuag pob ntseg . Lub phenotype recessive = 0.01 los yog 1 feem pua ntawm no cov pejxeem tau txuas earlobes.

Tsis tas li ntawd, vim li cas qee cov neeg earlobes txuas?

" txuas "zoo li pob ntseg feem ntau nthuav tawm ua piv txwv ntawm ib qho yooj yim "ib noob - ob alleles" Mendelian qhov zoo ntawm tib neeg, pob ntseg tsis txhob poob zoo nyob rau hauv ob pawg; muaj ib tug tas mus li ntau yam ntawm ib tug huab mus rau lwm yam, tawm tswv yim lub hwj chim ntawm ob peb noob.

Dab tsi yog genotype rau earlobes txuas?

Tus neeg nrog Ee genotype yog heterozygous rau qhov zoo, qhov no, dawb pob ntseg . Ib tus neeg yog heterozygous rau qhov zoo thaum nws muaj ob hom allelic sib txawv ntawm ib qho gene. Yog koj muaj txuas earlobes , koj muaj ob tug alleles rau qhov zoo. Cov noob caj noob ces tsis tshua muaj feem yuav tau txais txiaj ntsig.

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