21. .




:

ɡ ͡ .
ɡ .
. (Muscle tone) .
(IQ - Intelligence Quotient) .

( - Chromosomes) . . "- - " (DNA): " () - (Deoxyribonucleic acid - DNA).

ɡ 46 . () 47 . ǡ . ( ) .


ʡ . :
35 : . ( ߡ 35 ǡ 35 35 ).
40
.

ǡ ɡ :





ɡ . ١ .


̡ ϡ (). () . ɡ .

:

( / - Ultrasound) ( ) . . " ( ) " (Nuchal translucency screening) . .
( - AFP - Alpha Fetoprotein test) . ( ) .
( Karyotype). () .

:

(Chorionic villus sampling)
/ (Amniocentesis)
. ǡ . ϡ .


( ) . ǡ ǡ ɡ (Thyroid gland).

ѡ . .

. ǡ (Speech - language therapy) ( - Physiotherapy).

( - Occupational therapy) ѡ ɡ . .

ɡ . .