Advertisements
Advertisements
प्रश्न
In human beings 45 chromosomes/single X/XO abnormality causes ______.
पर्याय
Down's syndrome
Klinfelter's syndrome
Turner's syndrome
Edward's syndrome
Advertisements
उत्तर
In human beings 45 chromosomes/single X/XO abnormality causes Turner's syndrome.
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
Give an example of an autosomal recessive trait in humans. Explain its pattern of inheritance with the help of a cross.
State any two symptoms of Down’s syndrome.
Attempt any TWO of the following:
‘The gene for sickle cell anaemia in homozygous condition is lethal and produces sickle cell trait in heterozygous carrier’. Explain.
What do sex linked traits appear in males than in females?
Mental retardation in man associated with sex chromosomal abnormality is usually due to ______.
Placed below is a karyotype of a human being.
On the basis of this karyotype, which of the following conclusions can be drawn: ______
“Genes contain the information that is required to express a particular trait.” Explain.
It is said, that the harmful alleles get eliminated from population over a period of time, yet sickle cell anaemia is persisting in human population. Why?
What is the genotype of Turner's Syndrome?
