Question

Will fan & medal (:
Blood type in humans is an example of trait that has multiple alleles. The alleles for type A blood and type B blood are codominant, and type O blood is recessive to both type A and type B. If a girl with type AB blood has a brother with type O blood and a sister with type B blood, which of the following genotypes could it be possible for their parents to have?
a. AO and BO
b. AB and OO
c. AB and BO
d. AO and AB

Answer 1

i think its a

Answer 2

but im not sure

Answer 3

@Abhisar

Answer 4

would it be a?

Answer 5

Its A

Answer 6

sweet

Answer 7

cross of AO and BO can lead to AB, BO and OO

Answer 8

thank you (:

Answer 9

\(\Huge\text{Anytime !}\)
\(\huge\ddot\smile\)