The vbody vproduces vprogesterone vand vthe vplacenta vproduces vHCG
Important vchanges vduring vsecond vtrimester? v- vcorrect vanswer.Month v4-6. v
~week v18 vis vthe vquickening.
What vis vdown vsyndrome? v- vcorrect vanswer.disorder vcaused vby vcell-division verror vcalled
vnondisjunction. vAn vextra vpiece vof vchromosome vattaches vto vpair v21. vChild vis vborn v with
v47 vchromosomes vinstead vof v46.
, Single vgene vdisorder v- vcorrect vanswer.Genetic vdisorder vthat vcan vbe vpassed vdown vas
vdominant v(50/50), vrecessive v (with vtwo vcarriers, v25%, v with vone vcarrier, vdisease vfree) vor
vsex-linked v (boys v50/50 v with vmother vcarrier).
Face vperception v- vcorrect vanswer.Making vsense vof vhuman vfaces. vNewborns vfollow
vfacelike vpatterns. vPreference vtoward vmother vas vearly v as vone v week vold, vas v well vas
vmore vattractive vfaces. vLook vlonger vat vfaces v whose veyes vare v gazing vat vthem.
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