Question

A genetic condition has surfaced in which affected individuals develop an uncontrollable urge to create origami art after reaching puberty. While initially this was considered pretty, people have run out of locations to place their paper cranes and tigers. Realizing nobody wants any more origami, scientists have named the condition Hyperorogamitia Pseudobulbar (HP). After collecting data from affected individuals, scientists have determined that HP was a recessive trait caused by a mutation in a single gene on the X-chromosome. You are a genetic counselor working with a couple attempting to determine what percentage of their offspring could be born with this condition. The father was born with HP, although neither of his parents exhibited HP. The mother does not show signs of HP. However, she states her father suffered from HP but her mother did not. What ratios for their first child developing HP?

Answer 1

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