The majority of hemophilic patients suffer from deficiency of:
Correct answer: C. Factor VIII
- A. Factor VII
- B. Factor IX
- C. Factor VIII
- D. Factor XI
Explanation
Hemophilia A is characterized by a deficiency in factor VIII clotting activity that results in prolonged bleeding after injuries, tooth extractions, or surgery, and delayed or recurrent bleeding prior to complete wound healing.
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About Inheritance
Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.
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