Video: Puas yog Freckles muaj keeb kwm?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lawv feem ntau pom ntawm cov neeg uas muaj teeb meem nyuaj, thiab hauv qee tsev neeg, lawv yog keeb kwm (genetic) yam ntxwv. Cov neeg uas muaj plaub hau liab thiab lub qhov muag ntsuab yog ntau dua rau cov hom no freckles . Lentigines feem ntau tsaus dua li qhov ntau freckle thiab feem ntau tsis ploj mus rau lub caij ntuj no.
Kuj paub, yog quav caj ces?
Zoo li feem ntau tus cwj pwm, freckles yog ib tug tshwm sim ntawm caj yam ua ke nrog ib puag ncig yam. UVlight thiab koj cov melanocytes yuav tsum ua haujlwm ua ke, xws li freckles yuav tsis tsim kom txog thaum koj cov tawv nqaij raug UV rays.
Ib yam li ntawd, puas yog freckles dominant lossis recessive yam? Txawm li cas los xij, lwm tus kws tshawb fawb tau tshaj tawm tias kev sib cuam tshuam ntawm ob noob yog lub luag haujlwm rau qhov no qhov zoo . Qhov no qhov zoo tau tshaj tawm vim yog ib tus noob xwb; muaj freckles yog tseem ceeb , qhov tsis muaj freckles yog recessive1. Thaum ntxov geneticists qhia tias cov plaub hau curly yog tseem ceeb thiab plaub hau ncaj rov ua dua.
Qhov thib ob, koj tuaj yeem yug los nrog freckles?
Cov lus teb luv, tsis yog. Teb ntev, freckles tau pop tuaj nrog ntau npaum li cas ntawm tshav ntuj thiab nws tag nrho nyob ntawm seb koj daim tawv nqaij absorbs thiab reacts rau lub hnub.
Puas yog freckles phem?
Cov tawv nqaij ("ephelids") yog ib qho cim ntawm kev raug tshav ntuj dhau los. Thaum feem ntau freckles tsis txaus ntshai, lawv yog qhov qhia txog kev puas tsuaj ntawm lub hnub. Qhov tseeb, freckles uas tshwm tom qab sunburn ("sunburn freckles ”) tau cuam tshuam nrog kev pheej hmoo ntawm cov qog nqaij hlav melanoma.
Pom zoo:
Dab tsi yog daim ntawv qhia keeb kwm keeb kwm?
Ib daim ntawv qhia keeb kwm keeb kwm piav qhia cov ntaub so ntswg uas tau xa mus rau kev tshuaj xyuas thiab cov yam ntxwv ntawm yam mob qog noj ntshav zoo li cas hauv qab tsom iav. Ib daim ntawv qhia keeb kwm keeb kwm qee zaum hu ua daim ntawv txheeb xyuas keeb kwm lossis daim ntawv qhia txog kab mob
Dab tsi yog kev tshawb fawb kws tshawb fawb txog keeb kwm keeb kwm los kwv yees lub sijhawm tuag piav qhia vim li cas kev kwv yees tsis tas yuav ncaj?
Ib tus kws tshawb fawb kws tshawb fawb txog keeb kwm tshawb fawb kev txhim kho kab ntawm kab hauv lub cev los kwv yees lub sijhawm tuag. Cov kev txiav txim siab no tsis yog qhov yooj yim ib txwm vim tias tus nqi ntawm cov kab menyuam loj hlob tau cuam tshuam los ntawm ib puag ncig cuam tshuam xws li thaj chaw nyob, huab cua, thiab huab cua puag ncig
Tus kws kho mob keeb kwm keeb kwm puas tau nyiaj ntau tshaj nyob qhov twg?
Ib ntawm qhov muaj txiaj ntsig tshaj plaws thiab xav tau subfields ntawm kev tshawb fawb txog keeb kwm yog kab mob. Forensic Pathology Nyiaj Hli los ntawm Cheeb Tsam New Hampshire (1,610 tus neeg ua haujlwm): $ 275,050. South Dakota (460 ua haujlwm): $ 258,280. Alaska (500 tus neeg ua haujlwm): $ 256,630 cov nyiaj hli nruab nrab txhua xyoo. North Dakota (530 tus neeg ua haujlwm): $ 255,840. Hawaii (1,280 ua haujlwm): $ 255,410
Dab tsi yog lub luag haujlwm ntawm tus kws tshawb fawb keeb kwm keeb kwm anthropologist?
Txoj haujlwm ntawm kws tshuaj xyuas keeb kwm keeb kwm yav dhau los ua haujlwm hauv thaj chaw feem ntau suav nrog: Ua tib neeg seem. Ntxuav cov skeletal seem. Tshawb xyuas cov seem decomposed rau cov cim ntawm kev raug mob. Muab cov ntaub ntawv lom neeg txog cov seem. Sau cov ntawv ceeb toom. Ua haujlwm ze nrog cov neeg tshawb nrhiav thiab cov neeg sawv cev tshwj xeeb. Muab pov thawj hauv tsev hais plaub
Lub hom phiaj ntawm kev teeb tsa hauv keeb kwm keeb kwm yog dab tsi?
Kev sib sau yog txheej txheem uas cov ntaub so ntswg lossis cov hnoos qeev tau ntim rau hauv qhov hnyav ntawm qhov nruab nrab siv cov pwm. Txij li cov ntaub so ntswg thaiv tau tuab heev lawv xav tau kev txhawb nqa nruab nrab uas cov ntaub thaiv npog tau muab tso rau. Qhov nruab nrab txhawb nqa no yog hu ua txheej nruab nrab