Homozygous thiab heterozygous genotypes yog dab tsi?
Homozygous thiab heterozygous genotypes yog dab tsi?

Video: Homozygous thiab heterozygous genotypes yog dab tsi?

Video: Homozygous thiab heterozygous genotypes yog dab tsi?
Video: Genetics - Thomas Morgan & Fruit flies - Lesson 10 | Don't Memorise 2024, Kaum ib hlis
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Homozygous txhais tau hais tias ob qho tib si luam ntawm cov noob los yog qhov chaw sib tw thaum heterozygous txhais tau hais tias cov ntawv luam tsis sib xws. Ob tug tseem ceeb alleles (AA) los yog ob tug recessive alleles (aa) yog homozygous . Ib qho tseem ceeb allele thiab ib qho recessive allele (Aa) yog heterozygous.

Tsis tas li lo lus nug yog, dab tsi yog heterozygous genotype?

heterozygous genotype (HEH-teh-roh-ZY-gus JEE-noh-tipe) tshwm sim thaum ob lub alleles ntawm ib qho chaw tshwj xeeb yog txawv. A heterozygous genotype tej zaum yuav muaj xws li ib txwm allele thiab ib qho kev hloov pauv, lossis ob qhov kev hloov pauv sib txawv. Cov tom kawg yog hu ua compound heterozygote.

Qhov thib ob, dab tsi yog cov genotypes ntawm homozygous thiab heterozygous siab cog? DD yog homozygous dominant, muab phenotype siab . Dd yog heterozygous , kuj muab cov phenotype siab.

Ua raws li qhov no, qhov piv txwv heterozygous thiab homozygous yog dab tsi?

Homozygous txhais tau hais tias lub cev muaj ob daim ntawv theej ntawm tib allele rau ib lub noob. Heterozygous txhais tau hais tias ib tug kab mob muaj ob tug sib txawv alleles ntawm ib tug noob. Rau piv txwv , pea nroj tsuag tuaj yeem muaj paj liab thiab ob qho tib si homozygous dominant (liab-liab), los yog heterozygous (liab-dawb).

Koj tuaj yeem qhia tau li cas yog tias ib tug neeg yog homozygous lossis heterozygous?

Yog tag nrho cov xeeb leej xeeb ntxwv xeem cross tso saib cov phenotype tseem ceeb, tus neeg hauv nqe lus nug yog homozygous tseem ceeb; yog ib nrab ntawm cov xeeb leej xeeb ntxwv tso saib phenotypes thiab ib nrab zaub recessive phenotypes, ces tus neeg yog heterozygous.

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