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#Question id: 1545


B cells negatively regulated by,

#Human Biology
  1. CD19

  2. CD22

  3. CD40

  4. CD81


Answer:- Option(s): 2


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#Question id: 5691

#Genetics

Which of the following most accurately explains the cause for the abnormal numbers of chromosomes during human reproduction that can result in Down syndrome, Turner’s syndrome, or Klinefelter’s syndrome?

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#Question id: 5692

#Genetics

Aneuploids can be produced several ways except

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#Question id: 5693

#Genetics

Type of nondisjunction leads to regions of tissue with different chromosome constitutions, a condition known as mosaicism is due to

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#Question id: 5838

#Genetics

In the Holliday model describing recombination

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#Question id: 5839

#Genetics

During recombination in E. coli, ________ recognize(s) regions of sequence similarity and promote(s) strand invasion, while ________ bind(s) to a Holliday junction promoting strand migration.

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#Question id: 5840

#Genetics

The sequence of proteins used in bacterial recombination is

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