In a family, the father has fidely spaced eyes, increased facial hair and deafness. One of the three children has deafness with similar facial features. The mother is normal. Which one of the following is least likely pattern of inheritance in this case
Correct Answer: Autosomal dominant
Description: Autosomal dominance is a pattern of inheritance characteristic of some genetic diseases. "Autosomal" means that the gene in question is located on one of the numbered, or non-sex, chromosomes. "Dominant" means that a single copy of the disease-associated mutation is enough to cause the disease. This is in contrast to a recessive disorder, where two copies of the mutation are needed to cause the disease. Huntington&;s disease is a common example of an autosomal dominant genetic disorder. Reference: GHAI Essential pediatrics, 8th edition
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Pediatrics
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