It weakens the immune system making it unable to defend itself against viruses and it also attacks the immune system..
Please vote my branliest! Thanks .
Answer:
your answer is positive b
One adaptation that is unique to marine mammals is they nurse their young.. The correct option among all the options that are given in the question is the fourth option or the last option or option "d". I hope that this is the answer that you were looking for and the answer has come to your desired help.
<span>From the proportions of phenotypes in the offspring. If Genes would be equal you would get 1/4 A, 1/4 B and 1/2 AB; but you often get 1/4 A and 3/4 B. </span>I hope that this is the answer that you were looking for and it has helped you.