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1. Which blood types are dominant?

A. A and B are both dominant(because A and B are code dominant to one another)
B. O is dominant
C. There are no dominant blood types

2. If a father has A blood and a mother has B blood what blood type(s) could their child possibly have?

A. Type A
B. Type B
C. Type AB
D. Type O
E. All of the above

1 Which blood types are dominant A A and B are both dominantbecause A and B are code dominant to one another B O is dominant C There are no dominant blood types class=

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coge4eva

Answer: 1). A and B are both dominant (because A and B are codominant to one another)

2). E. All of the above

Explanation:

1). From the image above, A and B are both dominant because they are equally expressed when they occur in a pair (when they occur as blood type AB), also they are dominant because each of them expressed itself when it occurs in a pair with a recessive allele (IAi and IBi).

2). The children of a father with A blood and a mother with B blood will have all the four blood types: A, B, AB, and O. If each parent has a recessive allele, that is if each parent is heterozygous for his/her blood type (IAi for the father and IBi for the mother), the cross between them will produce all the four possible blood types.

See the attached punnet square for more information.

Ver imagen coge4eva

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