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br1ght
1 year ago

What is the mode of inheritance? The key question!
Since the disease occurs in every generation and affects men and women equally, it is an autosomal dominant inheritance.
Take the red circle in the upper left as an example: The disease is inherited dominantly, so the genotype must be either Aa or AA. However, some offspring show no symptoms of the disease. The husband of the affected woman is unaffected and has genotype aa. To ensure that an offspring is unaffected, it must also have genotype aa. Consequently, the woman in the upper left has a genotype of Aa. The child receives one chromosome from the healthy father and one from the mother.

JayCeD
1 year ago

Da das nur geometrische Schemata ohne Bezug sind, kann die Antwort alles und nichts sein.