Answer: This answer is for all the questions: Chargaff's rules state that DNA from any species of any organism should have a 1:1 stoichiometric ratio of purine and pyrimidine bases (i.e., A+G=T+C) and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.
Explanation:
C. Crustaceans hope i helped
Because the earth is in an angle so the northern hemisphere receives more heat and vice versa
<span>Two types of sex cells are
> Sperm (in males)
> Egg or ovum (in females)
Sperm is produces in the testes.
Ovum or egg is produced in the ovaries.</span>