2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Geneticists kawm cov noob los ntawm cov nroj tsuag, tsiaj txhu, thiab tib neeg los txiav txim seb cov noob sib cuam tshuam li cas, hloov zuj zus, thiab sib npaug. Geneticists feem ntau ua haujlwm hauv chav kuaj los kawm cov khoom siv caj ces. Lawv siv ob qho khoom siv, xws li lub tshuab tsom, thiab cov cuab yeej siv siab dua, xws li DNA scanners.
Ib hnub twg hauv lub neej ntawm tus kws tshuaj caj ces zoo li cas?
Ib hnub ib txwm rau Geneticist tseem yuav suav nrog: Khaws cov ntawv kuaj sim uas sau cov txheej txheem tshawb fawb, txheej txheem, thiab cov txiaj ntsig. Ntsuas, kuaj xyuas, lossis kho cov kab mob caj ces. Tshawb nrhiav cov ntaub ntawv tshawb fawb los xaiv thiab hloov kho cov txheej txheem thiab cov txheej txheem tsim nyog tshaj plaws rau cov hom phiaj tshawb fawb caj ces.
Cov noob caj noob ces kawm dab tsi?
Genetics yog kev tshawb fawb ntawm cov noob thiab noob caj noob ces-ntawm qee yam zoo lossis qhov zoo li cas tau dhau los ntawm niam txiv mus rau cov xeeb ntxwv vim qhov hloov pauv hauv DNA ib ntus. Ib lub noob yog ib ntu ntawm DNA uas muaj cov lus qhia rau kev tsim ib lossis ntau lub molecules uas pab lub cev ua haujlwm.
Tus kws tshuaj ntsuam caj ces puas mus kawm med?
Aspiring Clinical geneticists yuav tsum ua kom tiav daim bachelor's degree program, thiab khwv tau tus kws kho mob lossis kws kho mob Osteopathic hauv tsev kawm kho mob. Tom qab tau txais daim ntawv kawm tiav kws kho mob, cov kws kho mob caj ces koom nrog kev kho mob nyob hauv cov noob caj noob ces kom tau txais kev cob qhia tshwj xeeb.
Pob noob caj noob ces pom cov neeg mob?
Feem ntau, geneticists tsom mus rau kev tshawb fawblos yog pom cov neeg mob. Qee cov noob caj noob ces ua ob qho tib si. Txhawm rau nrhiav tus kws kho caj ces hauv koj cheeb tsam, mus saib Genetics Home Reference lossis American College of Medical Genetics.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Nyob rau hauv noob caj noob ces yog dab tsi genotype ntawm hh txhais tau tias?
Lub hauv paus ntawm lo lus no txhais tau tias "tseem" thiab lawv yog tib yam. HH yog ob lub peev thiab hh yog ob qho tib si qis. HH yog homozygous dominant, vim yog lub peev. HH homozygous recessive? Ib lub taub hau tag nrho cov plaub hau yog qhov tseem ceeb, nrog rau homozygous gene ntawm HH.
Dab tsi yog recessiveness hauv noob caj noob ces?
Kev tsis txaus ntseeg, hauv cov noob caj noob ces, qhov tsis ua tiav ntawm ib khub ntawm cov noob caj noob ces (alleles) tam sim no hauv tus neeg los qhia nws tus kheej hauv kev saib xyuas vim muaj kev cuam tshuam ntau dua, lossis dominance, ntawm nws opposite-acting khub.
Dab tsi yog cov noob caj noob ces?
hom kab mob lom neeg yog cais tawm ntawm ib leeg. Lub ntsiab txhais yog qee zaum txuas ntxiv kom xav tau tias qhov kev yug me nyuam yuav tsum tshwm sim nyob rau hauv ntuj, tsis yog khoom tsim (xws li, raug ntes). Evolution of reproductive isolating mechanisms tiv thaiv hom nascent los ntawm interbreeding.
Dab tsi yog kev nkag mus rau hauv noob caj noob ces?
Penetrance hauv noob caj noob ces yog qhov kev faib ua feem ntawm cov tib neeg uas muaj qhov txawv txav ntawm cov noob uas tseem qhia txog qhov cuam tshuam. txhais li cas los ntawm caj ces penetrance? Penetrance ntsuas qhov feem ntawm cov tib neeg hauv cov pej xeem uas muaj cov noob tshwj xeeb thiab qhia txog qhov muaj feem cuam tshuam.
