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Question Number 202208 by hardmath last updated on 22/Dec/23

Commented by mr W last updated on 22/Dec/23

$w h i c h c o u n t r y a r e y o u f r o m ?$ $i n t e r n a t i o n a l l y t h e A B O b l o o d$ $g r o u p s y s t e m i s c o m m o n, s e e b e l o w .$ $b u t y o u a r e t a l k i n g a b o u t b l o o d$ $g r o u p s I a n d I I I . w h a t i s m e a n t ?$ $p l e a s e a n s w e r t h i s q u e s t i o n a t f i r s t$ $i f y o u c a n, i n s t e a d o f p o s t i n g y o u r$ $s a m e q u e s t i o n a t h i r d t i m e .$
Commented by mr W last updated on 22/Dec/23

Commented by hardmath last updated on 22/Dec/23
Blood group is marked as 1-2-3-4
Commented by mr W last updated on 23/Dec/23

$1 = ?$ $2 = ?$ $3 = ?$ $4 = ?$
Commented by hardmath last updated on 23/Dec/23

$1 (+) and 1 (-)$ $. . .$ $4 (+) and 4 (-)$
Commented by mr W last updated on 23/Dec/23

$i s i t s o h a r d t o u n d e r s t a n d ?$ $u s u a l l y (i n t e r n a t i o n a l l y) t h e r e a r e$ $f o u r b l o o d t y p e s : A, B, A B a n d O .$ $w h e n y o u s a y b l o o d g r o u p 1, d o y o u$ $m e a n b l o o d g r o u p A, o r B, o r A B, o r$ $O ?$ $w h e n y o u s a y b l o o d g r o u p 2, d o y o u$ $m e a n . . . . . ?$ $w h e n y o u s a y b l o o d g r o u p 3, d o y o u$ $m e a n . . . . . ?$ $w h e n y o u s a y b l o o d g r o u p 4, d o y o u$ $m e a n . . . . . ?$
Commented by hardmath last updated on 23/Dec/23

$dear professor,$ $O (1)$ $A (2)$ $B (3)$ $AB (4)$
Commented by mr W last updated on 23/Dec/23

$t h a n k s f o r c l a r i f i c a t i o n!$
Commented by hardmath last updated on 23/Dec/23

$thankyou dear professor$
Commented by mr W last updated on 23/Dec/23

$f a t h e r h a s b l o o d g r o u p B .$ $t h e c h i l d r e n h a v e g r o u p O o r B o r o t h e r s .$ $s i n c e a c h i l d h a s g r o u p O, t h e$ $m o t h e r c a n n o t h a v e t h e g r o u p A B .$ $b u t s h e m a y h a v e g r o u p O, A o r B .$ $t h e p r o b a b i l i t y t h a t s h e h a s g r o u p B$ $i s t h e r e f o r e \frac{1}{3} .$
Commented by hardmath last updated on 23/Dec/23

$thank you so much dear peofessor$
Commented by mr W last updated on 23/Dec/23

$i s t h e a n s w e r c o r r e c t ?$
Commented by hardmath last updated on 23/Dec/23

$yes dear professor$
Commented by mr W last updated on 23/Dec/23

$t h a n k s!$
Commented by JDamian last updated on 23/Dec/23

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