B, O We inherit each of a parent\'s two alleles with probability 0.5. We inherit

Question

B, O

We inherit each of a parent's two alleles with probability 0.5.
We inherit independently from our mother and father.

Nancy and David both have alleles B and O.

What is the probability that their next child has each of these blood types?

Answer 1
Answer 2
Answer 3
Answer 4

AB, B, O All of the types B only

B, O

We inherit each of a parent's two alleles with probability 0.5.
We inherit independently from our mother and father.

Nancy and David both have alleles B and O.

What is the probability that their next child has each of these blood types?

Give your answers to 2 decimal places.
Fill in the blanks:
The requested probabilities are:
A) _______ .
B) _______ .
C) _______ .
D) _______ .

Answer 1
Answer 2
Answer 3
Answer 4

Alleles inherited Blood type A and A A and B AB A and O B and B B and O O and O

Explanation / Answer

Answer:

Since Nancy and David both have alleles B and O, therefore their children can have following alleles

BB, BO or OO. These alleles can result into blood type B or O.

Therefore their children can have B,O blood type. The probability of O blood type is 1/4 = 0.25 and the probability of B blood type is 3/4 = 0.75

B O B BB BO O BO OO

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