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प्रश्न
What is the genotype of Turner's Syndrome?
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उत्तर
Turner syndrome has the genotype 44 + XO, which means that there are 44 autosomes and a single X chromosome.
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संबंधित प्रश्न
Give any 'two' names of X-linked diseases
Why are color-blindness and thalassaemia categorised as Mendelian disorders? Write the symptoms of these diseases seen in people suffering from them.
A child suffering from Thalassemia is born to a normal couple. But the mother is being blamed by the family for delivering a sick baby.
- What is Thalassemia?
- How would you counsel the family not to blame the mother for delivering a child suffering from this disease? Explain.
- List the values your counselling can propagate in the families.
Answer the following question.
Both Haemophilia and Thalessemia are blood-related disorders in humans. Write their causes and the difference between the two. Name the category of genetic disorder they both come under.
The most striking example of point mutation is found in a disease called ______.
If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
Mongolism is a genetic disorder which is caused by the presence of an extra chromosome number ______.
Read the following and answer from given below:
According to Mendel, one gene controls the expression of one character only. The ability of a gene to have multiple phenotypic effects because it influences a number of characters are an exception. The gene has multiple phenotypic effects because its ability to control two or more characters can be seen in cotton. In cotton, a gene for the lint also influences the height of the plant, size of the ball, number of ovules, and viability of seeds.
Which of the following disorder is an example of genes with multiple phenotypic effects?
Describe Klinefelter’s syndrome.
Match the disorder in column I with their nature in column II.
| Column I | Column II | ||
| i. | Thalassemia | a. | X monosomy |
| ii. | Turner’s syndrome | b. | Extra X chromosomes in male |
| iii. | Klinefelter’s syndrome | c. | 21st Trisomy |
| iv. | Down’s syndrome | d. | Mendelian disorder |
