Principles Of Inheritance And Variation Question 2
Question: Broad palm with single palm crease is visible in a person suffering from-
(1) Thalassemia
(2) Down’s syndrome
(3) Turner’s syndrome
(4) Klinefelter’s syndrome
Show Answer
Answer: (2) Down’s syndrome
Explaination-
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Down’s syndrome(Trisomy 21)- Broad palm with single palm crease is visible
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Klinefelter’s syndrome (XXY in male)
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Turner’s syndrome (45,X)
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Thalassemia- An inherited (i.e., passed from parents to children through genes) blood disorder caused when the body doesn’t make enough of a protein called hemoglobin
