KCET · BIOLOGY · STD 12 - 4. Principles of Inheritance and Variation
Down's syndrome is an example for
- A syndrome caused is an example mutation
- B aneuploidy of sex chromosome
- C loss of one sex - chromosome from the diploid set
- D aneuploidy of autosome
Answer & Solution
Correct Answer
(D) aneuploidy of autosome
Step-by-step Solution
Detailed explanation
(D) aneuploidy of autosome,
Down's syndrome is a congenital syndrome originating from the nondisjunction of chromosomes of pair 21 during meiosis. This condition of abnormal number of one or more chromosomes in a cell is called aneuploidy.
Down's syndrome is a congenital syndrome originating from the nondisjunction of chromosomes of pair 21 during meiosis. This condition of abnormal number of one or more chromosomes in a cell is called aneuploidy.
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