NEET BIOLOGY
Principle of inheritance and variation
1. Study the pedigree chart given below
What does it show?
(a) An autosomal dominant trait like colorblindness
(b) An autosomal recessive trait like phenylketonuria
(c) A Y-linked trait like porcupine skin
(d) A sex linked recessive trait like haemophilia
2. Study the pedigree chart given below
What does it show?
(a) Inheritance of an autosomal dominant trait like myotonic dystrophy
(b) Inheritance of a recessive sex-linked
sex disease like color blindness
(c) The pedigree chart is not possible
(d) Inheritance of a Y-linked
linked trait like hypertrichosis
3. Given pedigree chart depicts the inheritance of attached ear lobes, an autosomal
recessive trait.
Which of the following conclusion drawn is correct?
(a) Parents are heterozygous
(b) Parents are homozygous dominant
(c) Parents are homozygous recessive
(d) None of these
, NEET BIOLOGY
Principle of inheritance and variation
4. Study the pedigree chart of a family showing the inheritance of sickle-cell
sickle cell anaemia.
The trait traced in the above pedigree chart is
(a) Dominant X-linked (b) Recessive X-linked
(c) Autosomal dominant (d) Autosomal recessive
5. Inheritance of which of the following traits is shown in the above given cross?
(a) X-linked
linked dominant trait (b) X-linked recessive trait
(c) Autosomal recessive trait (d) Autosomal dominant trait
6. Mark the incorrect match (w.r.t. pedigree analysis)
7. In the following pedigree chart, the mutant trait is
(a) Dominant and sex linked
(b) Dominant and autosomal
(c) Recessive
ecessive and sex linked
(d) Recessive
ecessive and autosomal
Principle of inheritance and variation
1. Study the pedigree chart given below
What does it show?
(a) An autosomal dominant trait like colorblindness
(b) An autosomal recessive trait like phenylketonuria
(c) A Y-linked trait like porcupine skin
(d) A sex linked recessive trait like haemophilia
2. Study the pedigree chart given below
What does it show?
(a) Inheritance of an autosomal dominant trait like myotonic dystrophy
(b) Inheritance of a recessive sex-linked
sex disease like color blindness
(c) The pedigree chart is not possible
(d) Inheritance of a Y-linked
linked trait like hypertrichosis
3. Given pedigree chart depicts the inheritance of attached ear lobes, an autosomal
recessive trait.
Which of the following conclusion drawn is correct?
(a) Parents are heterozygous
(b) Parents are homozygous dominant
(c) Parents are homozygous recessive
(d) None of these
, NEET BIOLOGY
Principle of inheritance and variation
4. Study the pedigree chart of a family showing the inheritance of sickle-cell
sickle cell anaemia.
The trait traced in the above pedigree chart is
(a) Dominant X-linked (b) Recessive X-linked
(c) Autosomal dominant (d) Autosomal recessive
5. Inheritance of which of the following traits is shown in the above given cross?
(a) X-linked
linked dominant trait (b) X-linked recessive trait
(c) Autosomal recessive trait (d) Autosomal dominant trait
6. Mark the incorrect match (w.r.t. pedigree analysis)
7. In the following pedigree chart, the mutant trait is
(a) Dominant and sex linked
(b) Dominant and autosomal
(c) Recessive
ecessive and sex linked
(d) Recessive
ecessive and autosomal
