Down's syndrome is a chromosomal disorder resulting from an extra copy of chromosome 21.
Cause of 'Down's syndrome' in humans is
Asked in Junior Accountant and TRA 2013 · Topic: Genetic Disorders (Chromosomal Disorders: Numerical and Structural Aberrations)
Show answer
Answer: A. presence of an additional copy of the chromosome number '21'
More Biology questions
- Down syndrome is also known as
- Ques #: 97 the birth defect where there is incomplete closing of the back bone and membrane around spinal chord is known as
- Which of the following groups of diseases includes genetic diseases?
- Which of the following group of diseases comprises genetic diseases?
- Genetic disorders are :
- Paa is a 2009 Indian comedy-drama film directed by R. Balakrishnan in which Amitabh Bachchan is shown to suffer with a rare genetic disease of childhood characterized by dramatic, premature ageing. What is this type of disorder called ?
- Which one of the following is not a genetic disease?
- Which of the following is/are correct regarding DNA fingerprinting?