Home
Class 12
BIOLOGY
Pick out the correct statements. i. Ha...

Pick out the correct statements.
i. Haemophilia is a sex linked recessive disease
ii. Down's syndrome is due to aneuploidy
iii. Phenylketonuria is an autosomal dominant gene disorder
iv. Phenylketonuria is an autosomal recessive gene disorder
V. Sickle cell anaemia is an X-linked recessive gene disorder

A

(i), (iii) and (iv) are correct

B

(i) and (iii) are correct

C

(ii) and (v) are correct

D

(i), (iv) and (v) are correct

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES OF INHERITANCE AND VARIATION

    NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR HSE QUESTIONS|3 Videos
  • ORGANISMS AND POPULATIONS

    NEW JOYTHI PUBLICATION|Exercise CBSE Corner|6 Videos
  • REPRODUCTION IN ORGANISMS

    NEW JOYTHI PUBLICATION|Exercise CBSE Corner|3 Videos

Similar Questions

Explore conceptually related problems

Assertion : Thalassemia is an autosomal recessive gene disorder. Reason . Thalassemia is controlled by two closely linked genes on chromosome 16.

Pick out the correct statement. (i) Karyotyping helps in gender identification (ii) Holandric genes are located on X- chromosome (iii) Trisomy- 21 is an allosomal abnormality (iii) Cooley's anaemia is an autosomal recessive disorder

Statement 1: ADA deficiency was the first disease treated by gene therapy. Statement 2: ADA is an autosomal recessive metabolie disorder.

Identify the incorrect statement. (i) The first clinical gene therapy was given by French Anderson. (ii) For a four year old boy with ADA deficiency. (iii) ADA is a autosomal dominant metabolic disorder. (iv) Where patients have non-functioning B - lymphocytes.

Assertion : Sickle-cell anaemia is an autosome-linked recessive disorder that can be transmitted if both parents are heterozygous for the gene Reason : In sickle-cell anaemia, haemoglobin molecule undergoes polymerisation under low oxygen tension causing the change in shape in RBC

Select the suitable answer with respect to gene therapy from the statements given below: Statement A: ADA deficiency or SCID (Severe Combined Immunodeficiency) is an autosomal dominant metabolic disorder. Statement B : It can be cured permanently if ADA gene is introduced into the cells of early embryonic stages.

Identify the correct statement(s) forn the below (I) In papaya sex chromosomes look like autosomes. (II) Aneuploidy is represented as 4n . (III) Herbert Taylor proved the process of transcription experimentally. (IV) Caffeine is a comutagen

Choose the correct statement : (i) Y linked genes are transmitted form mother to son. (ii) People with I^(A)I^(O) gene type have O blood group. (iii) Human Y chromosome is shorter than X chromosome (iv) Fertilized eggs develop into Drones

Refer the given statements (i) Incomplete or mosaic inheritance is an example of pre-Mendelian concept of blending inheritance (ii) Test cross is a special type of back cross (iii) Chromosomal aberrations are commonly observed in cancer cells (iv) Thalassaemia is a Mendelian disorder Which of the above statements are correct ?