Phenotypes txiav txim siab li cas?
Phenotypes txiav txim siab li cas?

Video: Phenotypes txiav txim siab li cas?

Video: Phenotypes txiav txim siab li cas?
Video: W2 Phien Lunch Novartis Main Ngay 03 10 2020 2024, Kaum ib hlis
Anonim

Phenotype txhais tau tias yog ib yam kabmob uas qhia txog lub cev zoo. Phenotype yog txiav txim siab los ntawm ib tug neeg tus genotype thiab qhia cov noob, random genetic variation, thiab ib puag ncig influences. Piv txwv ntawm lub cev phenotype suav nrog cov yam ntxwv xws li xim, qhov siab, qhov loj, qhov zoo, thiab tus cwj pwm.

Tsuas yog li ntawd, ib qho piv txwv ntawm phenotype yog dab tsi?

A phenotype yog ib qho zoo uas peb tuaj yeem soj ntsuam. Cov noob muaj cov lus qhia, thiab qhov tshwm sim ntawm peb lub cev ua raws li cov lus qhia no (rau piv txwv , ua pigment nyob rau hauv peb ob lub qhov muag), yog a phenotype qhov zoo, zoo li qhov muag xim. Qee lub sij hawm qhov zoo yog qhov tshwm sim ntawm ntau cov noob sib txawv, zoo li 16 cov noob muaj lub luag haujlwm rau qhov muag xim.

Tsis tas li ntawd, yuav ua li cas genotype ua phenotype? Genotype & Phenotype . Lus txhais: phenotype yog lub constellation ntawm observable zoo; genotype yog lub txiaj ntsim ntawm noob neej. Phenotype = genotype + kev loj hlob (hauv ib puag ncig muab). Nyob rau hauv lub nqaim "genetic" kev nkag siab, lub genotype txhais cov phenotype.

Raws li txoj cai, koj ua li cas txiav txim siab txog genotype thiab phenotype?

Cov txiaj ntsig ntawm lub cev cov yam ntxwv pom tau yog lawv phenotype . Qhov sib txawv tseem ceeb ntawm phenotype thiab genotype yog li ntawd, thaum genotype yog tau txais los ntawm lub cev niam txiv, lub phenotype tsis yog. Hos a phenotype yog influenced genotype , genotype tsis sib npaug phenotype.

Puas yog qhov muag xim yog phenotype?

Qhov pom qhov muag xim yog koj phenotype , tab sis nws tsis qhia peb tsis muaj dab tsi txog koj genotype. Ntau yam noob caj noob ces cuam tshuam qhov muag xim hauv tib neeg, thiab ib qho ntawm lawv tuaj yeem pom qhov tseem ceeb lossis qhov tsis zoo hauv koj phenotype - uas yog, qhov tshwj xeeb ntxoov ntxoo ntawm xim av hauv koj qhov muag.

Pom zoo: