MediumBotanyPrinciples of Inheritance & Variation
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Which of the following is a Mendelian disorder?
A
Down's syndrome
B
Haemophilia
C
Turner's syndrome
D
Klinefelter's syndrome
Explanation
Mendelian disorders are mainly determined by alteration or mutation in a single gene (e.g., Haemophilia, Cystic fibrosis, Sickle-cell anemia).
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