Chromosomal Abnormalities : Aneuploidy Online Exam Quiz
Chromosomal Abnormalities : Aneuploidy GK Quiz. Question and Answers related to Chromosomal Abnormalities : Aneuploidy. MCQ (Multiple Choice Questions with answers about Chromosomal Abnormalities : Aneuploidy
__ aneuploidy is better tolerated.
Options
A : Nullisomic
B : Autosomal
C : Sex chromosomal
D : Chromosome 13
A non-disjunction in the 1st phase of meiosis will lead to __
Options
A : Monosomy
B : Nullysomy
C : Disomy
D : Trtrasomy
Aneuploidy is usually deleterious as ___
Options
A : Chromosomal pairing is hampered
B : Gene balance is disrupted
C : Size of individual may vary
D : Chromosomal disintegration is increased
At what maternal age the probability of having a child with Down's syndrome is increased drastically?
Options
A : 25
B : 30
C : 35
D : 45
Choose the wrong statement.
Options
A : Maternal trisomy in a gamete is more severe in paternal gamete trisomy
B : Tetrasomy and nullisomy are due to change in chromosome number by 2
C : Disomy has severe effects
D : Edward's syndrome is due to trisomy of chromosome 18
Chromosome __ trisomy leads to Edward's syndrome.
Options
A : 12
B : 13
C : 18
D : 21
Extreme klinefelter is an example of ___
Options
A : Monosomy
B : Trisomy
C : Disomy
D : Tetrasomy
If an organism has 14 chromosomes, the number of chromosome generated by nullisomy will be___
Options
A : 15
B : 7
C : 13
D : 12
Patau syndrome is a result of which of the following?
Options
A : Non-disjunction of sex chromosome in female
B : Non- disjunction of sex chromosome in male
C : Non-disjunction of chromosome 21
D : Non-disjunction of chromosome 13
Sexual mosaics lead to formation of ___
Options
A : Female from male egg
B : Gynandromorph
C : Klinefelter
D : Trisomy
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