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प्रश्न
In Down's syndrome, karyotyping has shown that the disorder is associated with trisomy of chromosome number 21 usually due to ______.
पर्याय
non-disjunction during egg formation
non-disjunction during sperm cell formation
addition of extrachromosome during cleavage of zygote
non-disjunction during egg cells production and sperm production
MCQ
रिकाम्या जागा भरा
उत्तर
In Down's syndrome, karyotyping has shown that the disorder is associated with trisomy of chromosome number 21 usually due to non-disjunction during egg formation.
shaalaa.com
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