QUIZ 14: Genetic disorders

1.Which of the following is sex chromosome?

• 21

• 22

• 23

• 20

2.How many chromosomes are in human?

• 40

• 42

• 44

• 46

3.A normal female has _______ chromosomes?

• a pair of 'X' chromosomes

• a pair of 'Y' chromosomes

• a 'X' and a 'Y' chromosomes

• a 'X' and 2 'Y' chromosomes

4.A normal male has______ chromosomes?

• A pair of Y chromosome

• A pair of X chromosome

• A pair of X and Y chromosome

5.The most common form of Down syndrome is called as ?

• Trisomy 18

• Trisomy 21

• Trisomy 13

• Trisomy 16

6.This is also known as "Edwards syndrome"?

• Trisomy 13

• Trisomy 15

• Trisomy 18

• Trismoy 21

7.This is called as Patau Syndrome...

• Trisomy 13

• Trisomy 15

• Trisomy 16

• Trisomy 18

8.It is the most common trisomy leading to miscarriage....

• Trisomy 13

• Trisomy 15

• Trisomy 16

• Trisomy 21

9.This is a rare chromosomal anomaly syndrome principally characterized by intrauterine growth restriction, congenital cardiac anomalies (incl. ventricular and atrial septal defects)?

• Trisomy 15

• Trisomy 16

• Trisomy 18

• Trisomy 21