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प्रश्न
How was it concluded that genes are located on chromosomes?
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उत्तर
Walter Sutton and Theodor Boveri studied the behaviour of chromosomes and genes during meiosis. They observed that the movement of the chromosome and that of the gene was similar. Based on this observation, thy proposed that genes are located on chromosomes.
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संबंधित प्रश्न
Klinefelters’ syndrome is characterized by a karyotype of ____________.
Mention the symptoms of Down syndrome.
Which of the following is not correct?
Define aneuploidy. How is it different from polyploidy? Describe the individuals having following chromosomal abnormalities.
- Trisomy of 21st Chromosome
- XXY
- XO
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:
Broad palm with single palm crease is visible in a person suffering from ______.
What is the karyotype of Turner's Syndrome?
Which of the following is a characteristic feature of Turner's Syndrome?
Which type of aneuploidy results in a total of 45 chromosomes?
Which of the following sex chromosome aneuploidies results in phenotypically normal females who are taller than average?
What is the primary characteristic of polyploidy?
Which type of structural chromosomal abnormality results in the permanent loss of a chromosomal segment?
What type of structural abnormality is represented by a chromosomal segment that detaches and reattaches in reverse orientation?
Which structural chromosomal abnormality is exemplified by the Philadelphia chromosome associated with Chronic Myeloid Leukaemia?
What is the incidence of Edwards Syndrome in relation to other trisomies?
Which type of numerical abnormality is represented by a formula of 2n + 2?
Which trisomy is associated with kidney and lung defects in addition to cardiac abnormalities?
