Answer in 40 to 80 words-Write the karyotype of the following syndromes- nbsp-i- Down-s syndromeii- Kinefelter-s syndromeiii- Turner-s syndrome

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Standard IX

Biology

Genetic Disorders

Answer in 40 ...

Question

Answer in 40 to 80 words:
Write the karyotype of the following syndromes:
i) Down's syndrome
ii) Kinefelter's syndrome
iii) Turner's syndrome

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Solution

i) Down's syndrome is the condition in which the child bears the trisomy of the chromosome 21. The karyotype will be 47, XX/XY + 21.
ii) Klinefelter's syndrome is the condition in which the male have one extra copy of the X-chromosome. The karyotype will be 44 A + XXY.
iii) Turner's syndrome is a condition in which the female is born with only one copy of the X-chromosome. The karyotype will be 44 A + X.

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Similar questions

Q. Differentiate between :
Klinefelters syndrome and Turners syndrome

Assertion [A]: Klinefelter syndrome occurs only in males.

Reason [R]: Klinefelter syndrome is characterised by an additional Y chromosome in the karyotype.

Q. Klinefelters syndrome is characterised by a karyotype of

Mark the odd one w.r.t to syndrome which occur due to failure of segregation of homologous pair of chromosomes during cell division cycle

A) klinefelter syndrome

B) down syndrome

C) turner syndrome

D) thalassemia

Q. Match the syndromes and chromosomal abnormalities given in columns.

	List I - Syndrome		List II - Chromosomal abnormalities
A	Klinefelter syndrome	p	Trisomy 13
B	Turner's syndrome	q	Trisomy 18
C	Super female	r	44+XXY
D	Patau's syndrome	s	44+XXX
		t	44+XO

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Answer in 40 to 80 words:Write the karyotype of the following syndromes: i) Down's syndromeii) Kinefelter's syndromeiii) Turner's syndrome

Answer in 40 to 80 words:
Write the karyotype of the following syndromes:
i) Down's syndrome
ii) Kinefelter's syndrome
iii) Turner's syndrome