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Chromosomal Abnormalities Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is missing in Turner syndrome that is usually present in a normal female karyotype?

a)

An X chromosome

b)

An extra Y chromosome

c)

An extra Z chromosome

d)

An extra W chromosome

2.

What is the only monosomy not lethal early in development?

a)

Trisomy 18

b)

Klinefelter syndrome

c)

Turner syndrome

d)

Down syndrome

3.

What is the likelihood of individuals with Trisomy 18 living into their teenage years?

a)

Very high

b)

Moderate

c)

Very few

d)

All

4.

Which chromosome is associated with carrying approximately 1.5% of the genome?

a)

X chromosome

b)

Y chromosome

c)

Both X and Y chromosomes

d)

Neither X nor Y chromosomes

5.

What is the main cause of Trisomy 13?

a)

Chromosomal nondisjunction

b)

Chromosomal translocation

c)

Viral infection

d)

Environmental factors

6.

What is the significance of the extra chromosome in Trisomy 21?

a)

It has no effect

b)

It causes Patau syndrome

c)

It prevents genetic disorders

d)

It causes Down's syndrome

7.

What is the typical intelligence level in individuals with Klinefelter Syndrome?

a)

Normal intelligence

b)

Mildly impaired

c)

Severely impaired

d)

Highly intelligent

8.

Which chromosomal abnormality is most commonly associated with short stature and a webbed neck?

a)

Trisomy 21

b)

Turner syndrome

c)

Klinefelter syndrome

d)

Trisomy 13

9.

Which syndrome is characterised by the presence of an extra X chromosome in males?

a)

Down syndrome

b)

Trisomy 18

c)

Klinefelter syndrome

d)

Turner syndrome

10.

Which laboratory technique is most commonly used to diagnose chromosomal number disorders?

a)

Western Blot

b)

FISH

c)

QF-PCR

d)

Karyotyping