This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Pathology
[{'content': 'Pedigree chart description of \nSelect and explain. \nA. Autosomal recessive, B. Autosomal dominant, C. X linked recessive, D. X linked dominant', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Autosomal recessive# AUTOSOMAL RECESSIVE> Appears with equal frequency in both sexes> Trait tend to skip generations> Affected offspring are usually born to unaffected parents> If both parents are heterozygous, approximately % of the progeny will be affected> Appears more frequently among the children of consanguine marriages.', 'role': 'assistant'}]