An individual with type a blood and an individual with type b blood mate and have offspring. what blood type is not possible in their offspring?
a) type o
b) type a
c) type b
d) type ab
e) all blood types are possible

E (All blood types are possible)

Explanation:

The ABO blood group system in humans is a vivid example of co-dominance, where blood type A and B are codominant but are both dominant over blood type O.

Based on this genetic scenario, A codominant blood type AB can be produced, Blood type A can possess AA and AO, Blood type B can possess BB and BO, while Blood type O can only possess OO.

Hence, in a cross between a type A individual- AO or AA and a type B individual- BO and BB, gametes will be produced according to Mendel's law of segregation.

AO, AA (Type A) = A and O gametes.

BO, BB (Type B)= B and O gametes.

Hence, from the combination of these gametes, their offsprings can possess AB, AO, BO, OO which covers all the blood types.

Therefore, all blood types are possible

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