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प्रश्न
In human beings 45 chromosomes/single X/XO abnormality causes ______.
पर्याय
Down's syndrome
Klinfelter's syndrome
Turner's syndrome
Edward's syndrome
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उत्तर
In human beings 45 chromosomes/single X/XO abnormality causes Turner's syndrome.
संबंधित प्रश्न
Mention any two autosomal genetic disorders with their symptoms.
What do sex linked traits appear in males than in females?
A male rabbit of genotype 'AABBDDEE' is crossed with a female rabbit of genotype 'aabbddee' to produce F1 hybrid offspring. How many genetically different gametes can be produced by this F1 hybrid?
Read the following statements and select the correct option.
i. Genetic disorders are broadly categorised as, Mendelian disorders and chromosomal disorders.
ii. Mendelian disorders are caused due to absence or excess of one or more chromosomes or their abnormal arrangement.
iii. Chromosomal disorders are mainly caused due to alteration or mutation in the gene.
Match the Column-I with Column-II and choose the CORRECT answer
| Column-I | Column-II | ||
| P. | Klinefelter syndrome | i. | Mutation in autosomal gene |
| Q. | Thalassaemia | ii. | Mutation sex chromosome linked gene |
| R. | Down syndrome | iii. | Trisomy of autosome |
| S. | Colour blindness | iv. | Trisomy of sex chromosome |
HbA and HbS alleles of normal and sickle celled RBC are ______.
Sickle cell anaemia is ______.
The technique exployed in human genetic counselling is:
In Down's syndrome, karyotyping has shown that the disorder is associated with trisomy of chromosome number 21 usually due to ______.
Trisomy of 21st chromosome leads to a disorder ______.
