Question
How is Down's syndrome different from Klinefelter's syndrome?
|
S.No
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Down's Syndrome
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Klinefelter's syndrome
|
|
1.
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It is due to trisomy of 21 chromosome.
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It is due to an extra X-chromosome in a male.
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|
2.
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It is an autosomal disorder.
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It is a sex chromosomal disorder.
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|
3.
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The affected individual can be a male or a female.
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The affected individual is a male, with more feminine characters.
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|
S. No
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Embryonic stages
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No. of cells
|
|
(i)
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Zygote
|
______________
|
|
(ii)
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Morula
|
______________
|
|
(iii)
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Blastocyst
|
______________
|
Classify the given disease to their cause given in Column B.
(Ethylene, GA, Deficiency of BO, Deficiency of Cu)
| Column A | Column B |
| (1) Brown heart disease | ————- |
| (2) Bakane disease of Rice | ———— |
| (3) Die back of shoot | ————- |
| (4) Degreening of Banana | ————- |