Which one of the following is an X-linked dominant disorder?
Correct answer: C. Hypophosphatemic rickets
- A. Haemophilia
- B. Color blindness
- C. Hypophosphatemic rickets
- D. Becker muscular dystrophy
Explanation
Hypophosphatemic rickets is an X-linked dominant disorder. X-linked dominant disorders are genetic conditions caused by mutations in genes located on the X chromosome.
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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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