The answer is C)Resistant bacteria cannot be attacked by penicillin
They will be clean from all salt because the new water contains no salt
You can get sickle cell anemia with any blood type you have. The disease is also hereditary so it would have to be in your genetics before it is in your blood. And you might just have the trait. So this is why you cannot determined it by just knowing your blood type.
Explanation:
G- green feathers
g- yellow feathers
L- long beak
l- short beak
Letters are the easiest way of modeling a Punnett square. The big letters mean it's dominant, while the lower case means it's recessive. Dominant traits will show up over the recessive traits. The answer is 75% because if the female is heterozygous, her alleles would be Ll, and as I said before, the big letters take over the little letters in any case.
I hope this helps :)