2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kev yug me nyuam yog ib yam uas pom txawv txav, txawv txav sab hauv, lossis tshuaj lom neeg txawv txav ntawm koj tus menyuam mos lub cev. Qhov tsis xws luag yuav tshwm sim los ntawm caj ces, kab mob, hluav taws xob, lossis raug tshuaj, lossis tej zaum yuav tsis paub yog vim li cas.
Dab tsi yog qhov laj thawj tseem ceeb ntawm kev yug me nyuam?
Dab tsi ua rau yug tsis xws luag?
- Txiv neej. Ib lossis ntau cov noob yuav muaj kev hloov lossis hloov pauv uas txwv tsis pub lawv ua haujlwm zoo. …
- Chromosomal teeb meem. …
- raug rau tshuaj, tshuaj, lossis lwm yam tshuaj lom. …
- Kab mob thaum cev xeeb tub. …
- Tsis muaj zaub mov noj.
Puas yug los ntawm niam lossis txiv?
Ib kab mob lossis qhov tsis xws luag kuj tuaj yeem tshwm sim thaum tsuas yog niam txiv ib leeg dhau ntawm cov noobrau tus kab mob ntawd. Qhov no suav nrog kev yug me nyuam xws li achondroplasia (ib hom dwarfism) thiab Marfan syndrome. Thaum kawg, qee tus me nyuam tub tau txais kev cuam tshuam los ntawm cov noob tau dhau los rau lawv tsuas yog los ntawm lawv niam.
Peb lub ntsiab ua rau yug tsis xws luag yog dab tsi?
Dab tsi ua rau yug tsis xws luag?
- teeb meem caj ces. Ib lossis ntau cov noob yuav muaj kev hloov lossis hloov pauv uas ua rau lawv tsis ua haujlwm zoo, xws li hauv Fragile X syndrome. …
- Chromosomal teeb meem. …
- Kab mob. …
- raug tshuaj, tshuaj, lossis lwm yam tshuaj thaum cev xeeb tub.
Kev yug me nyuam tuaj yeem tshwm sim los ntawmtxiv?
Nws tuaj yeem yog vim kev hloov pauv ntawm leej txiv cov noob, tab sis cov kws tshawb fawb tsis pom qhov txuas ncaj qha. Lwm txoj kev tshawb fawb txuas cov txiv laus kom muaj feem ntau dua rau kev yug me nyuam xws li teeb meem plawv thiab Down syndrome. Cov kev pheej hmoo tshwm sim nce thaum cov txiv muaj 35 xyoos thiab laus dua, nrog cov txiv tshaj 50 khi rau qhov kev pheej hmoo loj dua.
Pom zoo:
Kev yug me nyuam tuaj yeem ua neej luv?
From Nature magazine. Cov poj niam uas yug tau tub tuaj yeem muaj lub neej luv me ntsis dua li cov poj niam yug menyuam, cov kws tshawb fawb tau pom. Puas yug me nyuam qis dua? A 2006 txoj kev tshawb fawb luam tawm nyob rau hauv American Journal of Human Biology tau taug qab 116 xyoo yug-los ntawm 1886 txog 2002-hauv plaub thaj tsam ntawm Poland thiab pom tias cov poj niam poob 95 lub lis piam ntawm lub neej rau txhuatus me nyuam lawv nqa.
Vim li cas cov me nyuam yug los tseem yug los puv sij hawm?
Ib tug tseem yug los yog kev tuag ntawm tus menyuam hauv plab tom qab lub lim tiam 20 ntawm leej niam cev xeeb tub. Yog vim li cas mus tsis piavrau 1/3 ntawm rooj plaub. Lwm 2/3 tej zaum yuav tshwm sim los ntawm cov teeb meem ntawm cov placenta los yog txoj hlab ntaws, ntshav siab, kab mob, kev yug me nyuam, los yog kev ua neej tsis zoo.
Bred txhais li cas thaum yug thiab yug me nyuam?
hais tias tus neeg yug thiab loj hlob hauv ib qho chaw tshwj xeeb, thiab muaj tus cwj pwm ntawm ib tus neeg nyob ntawd: Nws yog Parisian yug thiab yug me nyuam. yug thiab yug txhais li cas? -siv xa mus rau qhov chaw yug thiab menyuam yaus tshwm sim Nws yog neeg Mev yug thiab yug me nyuam.
Qhov twg yog qhov kev txiav txim siab rau kev tsis lees paub thiab rau kev ua kom muaj kev tawm tsam ntawm kev tawm tsam?
Kev qhuab ntuas tau siv los ntawm cov thawj coj loj hauv cov tub rog Romanrau txim rau cov koom haum lossis pab pawg loj ua txhaum cai, xws li kev ua phem, kev tawm tsam, kev tawm tsam, thiab kev tsis ncaj ncees, thiab rau lub pacification ntawm rebellious legions.
Kev yug me nyuam nyob qhov twg hauv club fungi?
Cov kab mob hauv cov phylum no rov tsim kev sib deev los ntawm kev tsim cov spores rau saum cov qws-zoo li cov qauv hu ua basidia basidia A basidium (pl., basidia) yog ib qho microscopic sporangium (lossis spore-producing qauv) pom nyob rau ntawm Lub hymenophore ntawm fruiting lub cev ntawm basidiomycete fungi uas tseem hu ua tertiary mycelium, tsim los ntawm theem nrab mycelium.
