Which of the following symbols represent consanguineous mating?
(1)
(2)
(3)
(4)
In the given pedigree chart select the correct statement:
(1) A & B are twins
(2) A is younger than B
(3) B is younger than A
(4) Can’t determine the age of A & B
Which of the following is the sex linked disease?
(1) Sickle cell anaemia
(2) Haemophilia
(3) Cystic fibrosis
(4) Phenylketonuria
Mendelian disorders are caused by
(1) Mutation in the single chromosome
(2) Mutation in the single gene
(3) Polyploidy
(4) Aneuploidy
Myotonic dystrophy is
(1) Autosomal recessive trait
(2) Autosomal dominant trait
(3) X- linkeddominant trait
(4) X- linked recessive trait
Boy born to a physically normal couple has been diagnosed with a genetic disorder, this could be
(1) Y- linked trait.
(2) Autosomal dominant trait
(3) X- linkeddominant trait
(4) X- linked recessive trait
Which of the following disorder is associated with Queen Victoria?
(1) Sickle cell anaemia
(2) Haemophilia
(3) Huntington's Disease
(4) Myotonic dystrophy
Which of the following is least probable?
(1) Female child with Sickle cell anaemia
(2) Male child with haemophilia
(3) Carrier female for haemophilia
(4) Female child with haemophilia
Which of the following disorder can’t be transmitted from a single diseased parent?
(1) Sickle cell anaemia
(2) Haemophilia
(3) Colour Blindness
(4) Myotonic dystrophy
Which of the following genotypes could cause Sickle cell anaemia?
(1) Hbˢ + Hbᴬ
(2) Hbᴬ+ Hbᴬ
(3) Hbˢ + Hbˢ
(4) Both ‘A’ and ‘C’.