Patterns of Inheritance (Part 2)

Question 1

What type of mode of inheritance does Osteogenesis imperfecta exhibit?

Answer 1

Autosomal dominant

Question 2

What mode of inheritance does Duchenne muscular dystrophy display?

Answer 2

X-linked recessive

Question 3

What mode of inheritance does Cystic fibrosis display?

Answer 3

Autosomal recessive

Question 4

What mode of inheritance does Maple Syrup Urine Disease (MSUD) display?

Answer 4

Autosomal recessive

Question 5

What mode of inheritance does Homocystinuria display?

Answer 5

Autosomal recessive.

Question 6

What mode of inheritance does Familial hypercholesterolemia (due to LDL receptor deficiency)?

Answer 6

Autosomal dominant

Question 7

What mode of inheritance is displayed by Becker muscular dystrophy?

Answer 7

X-linked recessive

Question 8

What mode of inheritance is displayed by Huntington disease?

Answer 8

Autosomal dominant

Note: it is a triple repeat expansion disorder

Question 9

What mode of inheritance is displayed by Myotonic dystrophy?

Answer 9

Autosomal dominant

Note: it is a triple repeat expansion disorder

Question 10

What mode of inheritance is displayed by Vitamin D resistant Rickets (Hypophosphatemic rickets)?

Answer 10

X-linked dominant disorder

Question 11

What type of mode of inheritance is displayed by Glucose-6-Phosphate dehydrogenase (G6PD) deficiency?

Answer 11

X-linked recessive

Question 12

What is the mode of inheritance displayed by Sickle Cell Anemia

Answer 12

Autosomal Recessive

Question 13

What is the mode of inheritance displayed by Hemophilia A and B?

Answer 13

X-linked recessive

Question 14

What is the mode of inheritance displayed by Incontinentia pigmenti?

Answer 14

X-linked dominant

Question 15

What is the mode of inheritance displayed by Marfan Syndrome?

Answer 15

Autosomal Dominant

Question 16

What is the mode of inheritance displayed by Osteogenesis imperfecta?

Answer 16

Autosomal Dominant

Question 17

What is the mode of inheritance displayed by Lesh-Nyhan syndrome?

Answer 17

X - linked recessive

Question 18

What is the mode of inheritance displayed by Leber hereditary optic neuropathy

Answer 18

Mitochondrial disease

Question 19

What is the mode of inheritance displayed by various mutations in the SRY gene?

Answer 19

Y-linked inheritance

Question 20

What is the mode of inheritance displayed by Phenylketonuria?

Answer 20

Autosomal recessive

Question 21

What is the mode of inheritance displayed by Tay Sach’s disease (Hexosaminidase A deficiency)

Answer 21

Autosomal recessive

Question 22

What is the mode of inheritance displayed by Achondroplasia?

Answer 22

Autosomal Dominant

Question 23

What is the mode of inheritance displayed by Neurofibromatosis type 1

Answer 23

Autosomal Dominant

Question 24

What is the mode of inheritance displayed by Congenital Deafness?

Answer 24

Autosomal recessive

Question 25

What is the mode of inheritance displayed by Hemochromatosis?

Answer 25

Autosomal Recessive

Question 26

What is the mode of inheritance displayed by Red-Green color blindness?

Answer 26

X-linked recessive

Question 27

What is the mode of inheritance displayed by MELAS?

Answer 27

Mitochondrial disease

Question 28

What is the mode of inheritance displayed by MERRF

Answer 28

Mitochondrial disease

MERRF = Myoclonic epilepsy with ragged red muscle fibres