Number of chromosomes in down's syndrome is

A Downs syndrome baby may have:

A

Ventricular septal defect

B

Gastrointestinal tract anomalies

C

Hypertonia of limbs

D

Hyperthyroidism

E

Splenomegaly

Downs syndrome is

A

Associated with increased maternal age

B

A trisomy 21 disorder

C

X-linked recessive disorder

D

Associated with coarctation of aorta

E

Diagnosed by Barr body analysis

Features of Downs syndrome include

A

Trisomy of chromosome 21

B

Normal parental karyotype

C

More affected females than males

D

Mental retardation

E

Increased risk for developing wilmâs tumour

Ups and downs means ___

A

throughly

B

move upward and downward

C

here and there

D

rise and fall

Increase in the number of chromosomes occur in

A

Down syndrome

B

Klinefelter's syndrome

C

Turner syndrome

D

Fragile X-syndrome

E

Retinoblastoma

Which of the following has the largest number of chromosomes?

A

Human beings

B

Pteridophytes

C

Elephants

D

Bryophytes

Which cell division of phase of cell division maintains the chromosomes number constant from generation to generation?

A

Mitosis

B

Meiosis

C

Prophase I

D

Zygotene

Acquired Immune Deficiency Syndrome (AIDS) is caused by

A

Bacteria

B

Fungus

C

Virus

D

None of the Above

At which of the following is responsible for carpal tunnel syndrome/

A

Median nerve compression

B

Radial nerve compression

C

Axillary nerve compression

D

Ulnar nerve compression

The major patho physiologic abnormality of Dengue shock syndrome is :

A

Plasma leakage

B

Thrombocytopenia

C

High haematocrit

D

Leukopenia

Number of chromosomes in down's syndrome is

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