Answer:
part a
A= Tt
B=tt
part b
offspring a
genotype= TT&Tt, phenotype=tongue rolling
offspring b
genotype=Tt phenotype= tongue rolling & genotype tt phenotype= unable to roll tongue
D
Explanation:
With the help T cells , B cells make special proteins called antibodies which stick to antigens on surface of germs stopping them in their track.
The correct answer is D,
dose this help?
The answer is A because it is not formed from decaying marine animals.
Hello There!
Now, i'm not 100% sure on this but i think it is C.
Please let me know if it is correct..i'm sorry if it is wrong.
Hope This Helps You!
Good Luck :)
- Hannah ❤