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प्रश्न
In Morgan's initial cross, red-eyed females (XR XR) were crossed with white-eyed males (Xr Y). What observation did Morgan make in the F₂ generation?
पर्याय
A 1:1:1:1 ratio was observed as expected
White eyes appeared only in males in an unequal ratio
White eyes appeared equally in males and females
All offspring had white eyes
MCQ
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उत्तर
Morgan observed that the F₂ generation showed an unequal ratio with white eyes appearing only in males, rather than the expected 1:1:1:1 ratio. This deviation from Mendelian expectations led to the discovery that the white-eye gene is located on the X chromosome, demonstrating sex-linked inheritance.
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