(D) : Down's syndrome is an autosomal aneuploidy caused by the presence of an extra chromosome number $21$. During oogenesis,non-disjunction occurs,le

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(D) : Down's syndrome is an autosomal aneuploidy caused by the presence of an extra chromosome number $21$. During oogenesis,non-disjunction occurs,leading to both chromosomes of the $21$st pair passing into a single egg. This results in a trisomy of chromosome $21$ in the zygote.

Class 12 Biology Principles of Inheritance and Variation Chromosomal disorders

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$A$ disease caused by an autosomal primary non-disjunction is

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A
Klinefelter's syndrome
B
Turner's syndrome
C
Sickle cell anaemia
D
Down's syndrome

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Class 12

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Chapter

Principles of Inheritance and Variation

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Chromosomal disorders

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What is the genetic disorder in which an individual has an overall masculine development,gynaecomastia,and is sterile?

MediumNEET 2019

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

Medium

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$A$ human with $45$ chromosomes having only one $X$ chromosome $(XO)$ suffers from which of the following disorders?

MediumAIPMT 1992

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If the haploid chromosome number in a cell is $12$,then the monosomic number will be:

Medium

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Match the Column $I$ with Column $II$:
Column $I$ Column $II$
$(A)$ Autosomal trisomy $(i)$ Turner's Syndrome
$(B)$ Allosomal trisomy $(ii)$ Mendelian disorder
$(C)$ Allosomal Monosomy $(iii)$ Klinefelter's Syndrome
$(D)$ Cystic fibrosis $(iv)$ Down's Syndrome

Column $I$	Column $II$
$(A)$ Autosomal trisomy	$(i)$ Turner's Syndrome
$(B)$ Allosomal trisomy	$(ii)$ Mendelian disorder
$(C)$ Allosomal Monosomy	$(iii)$ Klinefelter's Syndrome
$(D)$ Cystic fibrosis	$(iv)$ Down's Syndrome

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$A$ disease caused by an autosomal primary non-disjunction is

Similar Questions

What is the genetic disorder in which an individual has an overall masculine development,gynaecomastia,and is sterile?

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

$A$ human with $45$ chromosomes having only one $X$ chromosome $(XO)$ suffers from which of the following disorders?

If the haploid chromosome number in a cell is $12$,then the monosomic number will be:

Match the Column $I$ with Column $II$:Column $I$Column $II$$(A)$ Autosomal trisomy$(i)$ Turner's Syndrome$(B)$ Allosomal trisomy$(ii)$ Mendelian disorder$(C)$ Allosomal Monosomy$(iii)$ Klinefelter's Syndrome$(D)$ Cystic fibrosis$(iv)$ Down's Syndrome

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Match the Column $I$ with Column $II$:
Column $I$ Column $II$
$(A)$ Autosomal trisomy $(i)$ Turner's Syndrome
$(B)$ Allosomal trisomy $(ii)$ Mendelian disorder
$(C)$ Allosomal Monosomy $(iii)$ Klinefelter's Syndrome
$(D)$ Cystic fibrosis $(iv)$ Down's Syndrome