Multiple Choice
Which statement best describes the difference between codominance and incomplete dominance?
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13. Mendelian Genetics
Incomplete Dominance vs. Codominance
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The number of different alleles for ABO blood types is _____ resulting in _____ different blood types.
A
3; 3.
B
4; 3.
C
6; 3.
D
3; 4.
E
2; 4.
Verified step by step guidance1
Understand the concept of alleles: Alleles are different forms of a gene that can exist at a specific locus. For the ABO blood group system, there are three alleles: I^A, I^B, and i.
Identify the possible combinations of these alleles: The ABO blood group system is determined by the combination of these alleles. Each person inherits two alleles, one from each parent.
Determine the different blood types: The combinations of alleles result in four different blood types: A (I^A I^A or I^A i), B (I^B I^B or I^B i), AB (I^A I^B), and O (ii).
Count the number of alleles: There are three alleles involved in the ABO blood group system: I^A, I^B, and i.
Count the number of different blood types: Based on the combinations of these alleles, there are four different blood types: A, B, AB, and O.
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