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Heredity and Variation

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A woman has a rare abnormility of eyes, called ptosis. A single dominant gene P is responsible for it. The woman's father had ptosis, but her mother was normal. What is the probable genotype of the woman and her father?

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A
Woman = Pp Father= Pp
💡 Explanation:

The woman would have Pp genotype and her father would also have Pp genotype. As P gene is dominant, her father had ptosis and she inherited this gene from her father, so she also got ptosis.

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