Answer: I believe it is 4
Explanation:
The correct option is C.
Both DNA and RNA are made up of four nitrogenous bases. The nitrogenous bases that are found in DNA are adenine, guanine, cytosine and thymine. The nitrogenous bases that are found in RNA are adenine, guanine, cytosine and uracil.
Vitamins are organic substances because you get your vitamin D from the sun and the sun is not artificial is it. So that is false
Recombinants would form in Prophase i, called crossing over, where genes assort themselves.