What are multiple alleles?
Blood Multiple Alleles

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•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Multiple alleles refer to the presence of more than two alleles for a genetic trait within a population. For example, the ABO blood group system has three alleles: A, B, and O.
2.
FLASHCARD QUESTION
Front
What is the genotype for type A blood?
Back
The genotype for type A blood can be either AA (homozygous) or AO (heterozygous).
3.
FLASHCARD QUESTION
Front
What is the genotype for type B blood?
Back
The genotype for type B blood can be either BB (homozygous) or BO (heterozygous).
4.
FLASHCARD QUESTION
Front
What is the genotype for type AB blood?
Back
The genotype for type AB blood is AB (heterozygous).
5.
FLASHCARD QUESTION
Front
What is the genotype for type O blood?
Back
The genotype for type O blood is OO (homozygous).
6.
FLASHCARD QUESTION
Front
What is codominance?
Back
Codominance is a form of inheritance where both alleles in a heterozygote are fully expressed, resulting in a phenotype that is neither dominant nor recessive. In blood types, both A and B alleles are expressed in type AB blood.
7.
FLASHCARD QUESTION
Front
What is the universal donor blood type?
Back
The universal donor blood type is O, as it has no A or B antigens on the red blood cells, making it safe for transfusions to any blood type.
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