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प्रश्न
What is the reason for the 21st trisomy?
उत्तर
21st Trisomy occurs due to non-disjunction or failure of separation of chromosomes (autosomes) during gamete formation.
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संबंधित प्रश्न
Give any 'two' names of X-linked diseases
What is ‘syndrome’?
In which of the following disorders number of chromosomes present is 47?
(A) Turner’s syndrome
(B) Cushing’s syndrome
(C) Acquired Immuno - Deficiency Syndrome
(D) Down’s syndrome
Name a disorder a human suffers from as a result of the monosomy of the sex chromosome. Give the karyotype and write the symptoms.
Give reasons for the development of Turner’s syndrome and also mention its symptoms.
It is well known that Queen Victoria of England was a carrier for haemophilia. Since this is an X-linked disease, it can be predicted that ______.
If a father and son are both defective in red-green colour vision, is it likely that the son inherited the trait from his father? Comment.
Which of the folowing is a correct match?
What is the genotype of Turner's Syndrome?
Describe Turner's syndrome.
