115837
AssignmentMultiple Select

Inheritance Patterns

Question 115837 • CV Q4 M/J Science 3 Adv 2002110 Compacted Review of Grade.7.Life for SSA Prep

Which statements correctly describe the inheritance pattern for the alleles that control blood type?Select three options.IA is dominant.IB is dominant.i is dominant.IA is recessive.IB is recessive.i is recessive.

Answer
A
IA is dominant.
B
IB is dominant.
C
i is dominant.
D
IA is recessive.
E
IB is recessive.
F
i is recessive.

Explanation

The A and B alleles are codominant: each is dominant over the i allele, but neither is dominant over the other. The i allele is recessive, so it is expressed only when a person inherits two i alleles. Therefore, the correct statements are that IA and IB are dominant and i is recessive.

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