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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
If only one 'X' chromosome is found in a female person, which of the following symptoms she will show?
- epicanthal skin fold
- webbing of neck
- small testis and absence of spermatogenesis
- presence of simian crease on the palm
Given below is the representation of amino acid composition not the relevant translated portion of β-chain of haemoglobin, related to the shape of human red blood cells
(a) Is this representation indicating a normal human or a sufferer from certain related genetic disease? Give reason in support of your answer.
(b) What difference would be noticed in the phenotype of the normal and the sufferer related to this gene?
(c) Who are likely to suffer more from the defect related to the gene represented the males, the females or both males and females equally? And why?
Write the scientific name of the fruit-fly. Why did Morgan prefer to work with fruit-flies for his experiments? State any three reasons.
Give the importance of heterocyst in cyanobateria.
Match the column-I with column-II and re-write the matching pairs.
| Column-I | Column-II |
| 1. 21 trisomy | a. Turner’s syndrome |
| 2. X-monosomy | b. Klinefelter’s syndrome |
| 3. Holandric traits | c. Down's syndrome |
| 4. Feminized male | d. Hypertrichosis |
Write a note on Down’s syndrome.
Failure of segregation of chromatids during cell division results in the gain or loss of chromosomes, this is called as ______.
Mongolism is a genetic disorder which is caused by the presence of an extra chromosome number ______.
Read the following and answer from given below:
Turner's syndrome is an example of monosomy. It is formed by the union of an allosome-free egg and a normal 'X' containing sperm or a normal egg and an allosome-free sperm. The individual has 2n = 45 chromosomes (44 + X0) instead of 46. Such individuals are sterile females who have rudimentary ovaries, underdeveloped breasts, small uterus, short stature, webbed neck, and abnormal intelligence. They may not menstruate or ovulate. This disorder can be treated by giving female sex hormones to women from the age of puberty to make them develop breasts and have menstruation. This makes them feel more normal.
Turner's syndrome is a/an ______
Clotting of blood is to ______.
