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Disputed Paternity

Disputed Paternity, Blood Grouping | Medical Science Optional Notes for UPSC

Tests used are

Disputed Paternity, Blood Grouping | Medical Science Optional Notes for UPSC

Inheritance of ABO blood grouping

  • CO Dominance
  • Three alleles

Disputed Paternity, Blood Grouping | Medical Science Optional Notes for UPSC

  • Genotype make up
    Disputed Paternity, Blood Grouping | Medical Science Optional Notes for UPSC
  • Possibilities

Disputed Paternity, Blood Grouping | Medical Science Optional Notes for UPSC

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Which method is commonly used for disputed paternity tests?
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Blood Groups

Disputed Paternity, Blood Grouping | Medical Science Optional Notes for UPSC

Disputed Paternity -Repeats

  1. An AB blood group man cannot be the father of a child of blood group O-Comment (1995). 
  2. How will you use the blood grouping system in case of disputed paternity (2000)? 
  3. What is 'disputed paternity' Describe how you will solve such a problem by examination of blood (2005). 
  4. Enumerate 6 major Blood Groups. Give the Mendel's laws of inheritance of the blood groups and their role in disputed paternity testing. (2018)
The document Disputed Paternity, Blood Grouping | Medical Science Optional Notes for UPSC is a part of the UPSC Course Medical Science Optional Notes for UPSC.
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FAQs on Disputed Paternity, Blood Grouping - Medical Science Optional Notes for UPSC

1. What is disputed paternity and how is it related to inheritance of ABO blood grouping?
Ans. Disputed paternity refers to a situation where there is uncertainty or disagreement regarding the biological father of a child. Inheritance of ABO blood grouping is related to disputed paternity as it can be used as a tool for determining the likelihood of a biological relationship between a child and a potential father. By comparing the ABO blood types of the child and the alleged father, it is possible to assess the probability of a biological connection.
2. How is ABO blood grouping inherited?
Ans. ABO blood grouping is inherited from parents to their offspring through genetic information. The ABO blood types, namely A, B, AB, and O, are determined by the presence or absence of specific antigens on the surface of red blood cells. These antigens are determined by two genes, one inherited from each parent. If both parents have the A antigen, the child will most likely have blood type A. Similarly, if one parent has the A antigen and the other has the B antigen, the child may have blood type AB.
3. Can ABO blood grouping alone conclusively determine paternity?
Ans. No, ABO blood grouping alone cannot conclusively determine paternity. While ABO blood types can provide some insight into the probability of a biological relationship between a child and a potential father, it is not sufficient evidence to establish paternity with certainty. Other genetic tests, such as DNA testing, are more accurate in determining paternity as they analyze specific genetic markers that are unique to each individual.
4. What are the limitations of using ABO blood grouping in determining paternity?
Ans. There are several limitations to using ABO blood grouping in determining paternity. Firstly, ABO blood types are not unique to individuals, as multiple individuals can have the same blood type. Secondly, ABO blood grouping does not consider the presence of other blood group systems, such as the Rh factor, which can provide additional information for paternity testing. Lastly, ABO blood grouping cannot account for potential mutations or genetic variations that may affect blood type inheritance.
5. What are the other methods available for determining paternity apart from ABO blood grouping?
Ans. Apart from ABO blood grouping, DNA testing is the most reliable method for determining paternity. DNA testing compares specific genetic markers between the child and potential father to establish a biological relationship. This type of testing provides a higher level of accuracy and can conclusively determine paternity. Other methods, such as HLA typing and serological tests, can also provide additional information in certain cases. However, DNA testing remains the gold standard for paternity determination.
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