Moderate

Which one of the following is an autosomal disorder?

Correct answer: C. Hemophilia C

  • A. Hemophilia A
  • B. Hemophilia B
  • C. Hemophilia C
  • D. Testicular feminization syndrome

Explanation

In hemophilia C, you don't have the clotting factor or blood protein XI, sometimes called factor 11, because you didn't inherit the F11 gene. Normally, the F11 gene carries instructions on how to create factor XI. Hemophilia C happens when that gene mutates and becomes an abnormal gene.

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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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