7.Diane has type A blood and Darryl has type B. They have a son Duane with type A blood and a daughter, Dora, with type B blood. If they have another child, what are the chances that it

A - 1/4

B - 1/2

C- 1/8

Explanation:

The complete question is

Diane has type A blood and Darryl has type B.  They have a son Duane with type A blood and a daughter, Dora, with type B blood.  If they have another child, what are the chances that it  

         A. Will have type AB blood?  

         B. Will be a girl?  

         C. Will be a boy with type O blood?

A.

Let the genotype of Diane be  AO

Daryl can have genotype BO

AO  * BO

AB, AO, BO, OO

Probability of having AB blood group is 1/4

B.

1/2

C

1/2 * 1/4 = 1/8

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.