Which trait is not sex-linked recessive:
Correct answer: C. Hypophosphatemia
- A. Haemophilia
- B. Colour blindness
- C. Hypophosphatemia
- D. TFM syndrome
Explanation
Hereditary hypophosphatemic rickets with hypercalciuria (HHRH) is a rare bone disorder characterized by symptoms associated with hypophosphatemic rickets, including muscle weakness, short stature, skeletal deformities, and bone pain. The disorder is inherited in an autosomal recessive pattern. Options A, B, and D are inherited as sex-linked recessive, hence, incorrect.
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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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