Blood Type Genetics Explained

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This videos describes the three alleles of the ABO gene that lead to the A, B, AB and O blood types.
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this pedigree char helped me to understand much better about blood type. it is straight to point. bless your Brian.

isranibrahim
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Thank u, I have a test tomorrow and this will help a lot 💗

normalperson.
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Should have included where the + and - come from. Otherwise good video, straight to the point and easy to understand.

HalIOfFamer
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ty for the good video, you have a nice voice

averageisekaifan
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thank you this was so helpful you dont even know

Random-ckkw
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thank you so much! can you do a video on how positive or negative blood types factor in?

abigailgrace_
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In the ABO blood system in human beings, alleles 1A and 1B are codominant, and both are dominant to the i allele. In a paternity dispute, a type AB woman claimed that one of four men, each with different blood types, was the father of her type A child. Which of the following could be the blood type of the father of the child on the basis of the evidence given?

kahm.