(D) Turner's syndrome is a genetic disorder caused by the absence of one $X$ chromosome in human females. The genotype of an individual with Turner's

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(D) Turner's syndrome is a genetic disorder caused by the absence of one $X$ chromosome in human females. The genotype of an individual with Turner's syndrome is $45, XO$ (or $44 + XO$). This condition is classified as a sex-chromosomal abnormality because it involves the loss of an entire sex chromosome,leading to a total of $45$ chromosomes instead of the normal $46$.

Class 12 Biology Principles of Inheritance and Variation Chromosomal disorders

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The cause of Turner's syndrome in humans is:

A
Incomplete sex linkage
B
Sex-linked inheritance
C
Autosomal abnormality
D
Sex-chromosomal abnormality

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Class 12 Questions

Class 12

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Chapter

Principles of Inheritance and Variation

Subtopic

Chromosomal disorders

Match Column $-I$ with Column $-II$ and select the correct option.
Column $-I$ Column $-II$
$(P)$ Turner syndrome $(i)$ Sex chromosome $(2n-1)$
$(Q)$ Down syndrome $(ii)$ Sex chromosome $(2n+1)$
$(R)$ Klinefelter syndrome $(iii)$ Autosomal $(2n+1)$

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Based on Lyon's hypothesis,what will be the number of Barr bodies found in a human female suffering from Down's syndrome?

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$A$ mother has Down syndrome,and the father is normal. What is the probability of their offspring having Down syndrome (in $\%$)?

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Distinguish between: Down's syndrome and Klinefelter's syndrome.

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Euploidy is best explained by

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Column $-I$	Column $-II$
$(P)$ Turner syndrome	$(i)$ Sex chromosome $(2n-1)$
$(Q)$ Down syndrome	$(ii)$ Sex chromosome $(2n+1)$
$(R)$ Klinefelter syndrome	$(iii)$ Autosomal $(2n+1)$

The cause of Turner's syndrome in humans is:

Similar Questions

Match Column $-I$ with Column $-II$ and select the correct option.Column $-I$Column $-II$$(P)$ Turner syndrome$(i)$ Sex chromosome $(2n-1)$$(Q)$ Down syndrome$(ii)$ Sex chromosome $(2n+1)$$(R)$ Klinefelter syndrome$(iii)$ Autosomal $(2n+1)$

Based on Lyon's hypothesis,what will be the number of Barr bodies found in a human female suffering from Down's syndrome?

$A$ mother has Down syndrome,and the father is normal. What is the probability of their offspring having Down syndrome (in $\%$)?

Distinguish between: Down's syndrome and Klinefelter's syndrome.

Euploidy is best explained by

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Match Column $-I$ with Column $-II$ and select the correct option.
Column $-I$ Column $-II$
$(P)$ Turner syndrome $(i)$ Sex chromosome $(2n-1)$
$(Q)$ Down syndrome $(ii)$ Sex chromosome $(2n+1)$
$(R)$ Klinefelter syndrome $(iii)$ Autosomal $(2n+1)$