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प्रश्न
Mention the symptoms of Down syndrome.
Mention any six symptoms of disorder caused by trisomy of 21 chromosome.
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उत्तर
- Mental retardation, either mild or moderate.
- Skeletal underdevelopment.
- Unique facial characteristics, such as a small mouth, ears, and head.
- Usually round and flat, with an open mouth and a flat nose.
- Protruding tongue.
- The inner corner of the eyes is covered by an epicanthal skin fold.
- Slanting eyes.
- Broad palms with a single Palmer crease; flat hands with stubby fingers.
Notes
Students should refer to the question according to their questions and preferred marks.
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संबंधित प्रश्न
Match List I with List II.
| List I | List II | ||
| A. | Down’s syndrome | I. | 11th chromosome |
| B. | α-Thalassemia | II. | ‘X’ chromosome |
| C. | β-Thalassemia | III. | 21st chromosome |
| D. | Klinefelter’s syndrome | IV. | 16th chromosome |
Choose the correct answer from the options given below:
What is the karyotype of Turner's Syndrome?
Which type of aneuploidy results in a total of 45 chromosomes?
What is the formula for trisomy?
Which of the following sex chromosome aneuploidies results in phenotypically normal females who are taller than average?
Which type of structural chromosomal abnormality results in the permanent loss of a chromosomal segment?
How many total chromosomes does a human with Down's Syndrome have?
What is the term used to describe the loss of one or more chromosomes due to nondisjunction?
In which parent does nondisjunction most commonly occur to cause Down's Syndrome?
Which of the following conditions is described as having rudimentary or streak ovaries?
