During conception when there are 47 chromosomes instead of the normal 46, it leads to:

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UGC NET Paper 2: Education 19th June 2023 Shift 1
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  1. Mental Retardation / Intellectual disability
  2. Physical Impairment
  3. Hearing Impairment
  4. Visual Impairment

Answer (Detailed Solution Below)

Option 1 : Mental Retardation / Intellectual disability
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UGC NET Paper 1: Held on 21st August 2024 Shift 1
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50 Questions 100 Marks 60 Mins

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Key Points

During conception when there are 47 chromosomes instead of the normal 46, it leads to Mental Retardation / Intellectual disability

  • During conception, if there is an extra chromosome, resulting in a total of 47 chromosomes instead of the normal 46, it can lead to certain genetic disorders, such as Down syndrome.
  • Down syndrome is characterized by an extra copy of chromosome 21, leading to intellectual disabilities and developmental delays. It is a common genetic condition associated with mental retardation or intellectual disability.
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