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NBME 19 Answers

nbme19/Block 3/Question#19 (reveal difficulty score)
30 yo man and 24 yo woman; best estimate that ...
1 in 600 🔍 / 📺 / 🌳
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 +12 
submitted by shadowbox(18),
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cneiS eht stf'erah bisgnli si tfe,fcade we wonk ttha the srh'feat prtsnae are hotb saer.crri taTh sneam eth psbolies tyeseonpg fo the reftah era A,A ,aA A,a or aa.

eW wkon hte haefrt is ectfn,uedfa os atht esmna eh cnotna eb a,a and tums eb eherti AA, ,Aa ro A.a

inSce ehret aer nloy 3 efntfrdie sngoetpey he ulodc av,eh tiwh 2 fo meht gebin rirreac epe,yonstg rethe si a /23 alobprityib he si a icer.rar

oS we ibnato eth ipotbaiblry fo the efrath sginasp no a iveceress eellla as /23 rta(yiilpobb fo ebnig a iarrerc) x 2/1 pt(rbayolibi of gpisnsa no a sievsecre leelal if he si a rriraec). eTh 3/2 si tno eenavltr ot teh briabolypit taht het hemrto si a c.rrarei

We ownk eth qceenyfru of tffceade lsdiiivandu ni eth ailntoopup at legra si 004,01/0 q=)(^2, so 20q/01=.

qP1=,+ so 09p/=2190 dan 0=920)().20pq11(29/0/2

To mkae otipnuictamill isreea we eamsus 9/19020,1= :os

2/10q2101020*(=/)=p t&;-g- thsi si eth rrreaci qnyecferu ,aa.(..k oerostetyh)zeg ni het louap,tonpi hihcw ew nac essuam rfo eht .omhter

S,o to wasnre hte teenri qoietsun we ilulmtpy het biolriytabp ahtt fahter si a crirrea 2)3(/ dna esssap on eht eellla 1()2/ miest teh irpltayiobb tath mhtreo si a eacrirr (11/)00 dan sapsse on eth ealell (/1;)2 tpuntig it all hetgroet ew :veha

(2)/1(2)0*())/0*1/3/1(12* = 0210/2 = 0/160

cbay0509  thakn yuo +1  
garble  Why is ti dmsaeus htat eht ohmert si a ?rrairce Cndl'tuo ti slao eb seilbspo eht rthemo si nefcfudeat dna otn a ?rrricea +1  
garble  sruTn tuo teh cenieffedr is l,egbneliig neenm.vdir +  
chaosawaits  Woh ddade lla teseh etuosinsq hitw rbtavaeeidb tssm?e mfl +  
chaosawaits  eTh hacenc fo het rtmohe iegnb a irearcr is 2/3 aeebucs h'ess bsvoluioy tno zooshuyogm s(o hrete rae yonl erthe spiissotibeli rfo ,her 2 fo whhic she is a cirearr.) ekTa hte urqsae roto fo 400,00 ot gte q = 00.2 3/()2 * 1(2/) * 002 = 060 +1  
neurotic999  For lpoeep keli em woh yllrayo emdses aPt iliop:brbyu ttha eht fehatr si a ecrrair 23/ ecn(is we nokw eh i'stn aeeftdfc e.i eh s'tni a.a oS loyn hntisg eh ulodc eb rea ,AA Aa am;p& .aA 2 fo teh 3 spnooit era crrarei tbbPiorsatt yisael) ahtt eh psssae teh ngee r/i otl2ba1ybPi ttah the trohme is a -ra2iet-&qg.rcrp; 100^/4.,=0q02 0=q1./20 /0=112pq0 ieonsc(nirdg p sa bolPbi) yi1rta atth she espsas eth gene 123/ .2 x 21/ x 1/001 x 21/ = 0601/ +1  
neurotic999  oFr peelpo ielk me who aorylly meedss :pu obibrPlayit atht hte hfeart si a rcareir 2/3 (sneic we nkwo he sitn' faedectf ie. he 'tnsi aa. oS yonl snhigt he olcud eb are AA, Aa p;a&m .Aa 2 fo hte 3 ntioosp ear rirecra t)etsa.s btrbyPoiial tath he asepss hte gene 2./1 Pltayibirob taht the ermoht si a 2-ptriqe&ra-g;c.r 0./20=q^01,40 =/002.1q 0/21p10q= i(rndenscgio p as .1) ritylioPbba ttha hes ssapse het eeng /21. /23 x /21 x 1100/ x 2/1 = 006/1 +  



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