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SBB MATH/GENETICS QUESTIONS AND ANSWERS VERIFIED BY EXPERT | LATEST UPDATE 2025
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SBB MATH/GENETICS QUESTIONS AND ANSWERS VERIFIED BY EXPERT | LATEST UPDATE 2025
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SBB MATH/GENETICS QUESTIONS ANDANSWERS VERIFIED BY EXPERT |
LATEST UPDATE 2025
Mendel - ANSWER random/independent
auto/dom - ANSWER every generation/half children/equal male v female
auto/recessive - ANSWER siblings/no parents/ 1/4 kids/ equal male v female
sex-linked dominant - ANSWER X chromosome (homo all/hetero half)
sex-linked recessive - ANSWER X chromosome (higher men-from women
carriers)
Y-linked - ANSWER father to son (all)
chromosome 1 antigens - ANSWER Rh/Duffy/Sc/Cr/Kn
chromosome 9 antigens - ANSWER ABO
chromosome 19 - ANSWER Lu/Le/Lw/Hh/Se
, Hardy-Weinberg equation - ANSWER (p+q)squared= p squared + 2pq+q
squared = 1
2 alleles of Hardy-weinberg - ANSWER p+q=1 or q=1-p
expanded Hardy-Weinberg - ANSWER p squared + 2p(1-p) + (1-p) squared = 1
patient with anti-E and anti-K (30 E+) (10 K+) find negs - ANSWER 70 E- 90 K- =
63% neg for both
#unit needed divided by #1
Cryoprecipitate needed when given HCT/Fibrinogen/weight (/by 2.2 for kg) -
ANSWER 1. Kgx75 [1-HCT) for plasma volume
2. 150 (fibrinogen we want)- fibrinogen we have x plasma vol/ (all divided by 100)
3. divide by 250 a bag
Corrected Platelet count increment (CCI) when given weight (/by 2.2 for
kg)/height/before platelets/after platelets/and amount transfused - ANSWER
1. HTxWT/3600 then square root
2. platelet after-platelet before
3. #1 x #2 / amount transfused (check exponents)
Fetal bleed kleihauer betke given % fetal bleed- How much blood volume in
hemorrhage and Rhig - ANSWER % X 50 (dosage)/ 30 (round up for vials)
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