(A) The "cri-du-chat" syndrome is a genetic disorder caused by a partial deletion of the short arm ($p$ arm) of chromosome $5$.This structural chromos

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(A) The "cri-du-chat" syndrome is a genetic disorder caused by a partial deletion of the short arm ($p$ arm) of chromosome $5$.This structural chromosomal abnormality leads to characteristic symptoms, including a high-pitched cry in infants that sounds like a cat, which is why it is named "cri-du-chat" (French for "cry of the cat").Therefore, the correct mechanism is deletion.

Class 12 Biology Principles of Inheritance and Variation Chromosomal disorders

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The "cri-du-chat" syndrome is caused by a change in chromosome structure involving:

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A
Deletion
B
Duplication
C
Inversion
D
Translocation

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Principles of Inheritance and Variation

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Chromosomal disorders

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The condition in which there are more than two complete sets of chromosomes is called:

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In a human karyotype,if there are $45$ chromosomes with an $XO$ configuration,which disorder is present?

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Symptoms representing a particular disease due to chromosomal abnormalities are referred to as:

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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 $(2n+1)$

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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 "cri-du-chat" syndrome is caused by a change in chromosome structure involving:

Similar Questions

Mark the correct match.

The condition in which there are more than two complete sets of chromosomes is called:

In a human karyotype,if there are $45$ chromosomes with an $XO$ configuration,which disorder is present?

Symptoms representing a particular disease due to chromosomal abnormalities are referred to as:

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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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 $(2n+1)$