Answer:
Watson and Crick discovered that DNA has a double helix shape, consisting of two polynucleotide chains held together by bonds between complementary bases. DNA replication is semi-conservative: half of the parent DNA molecule is conserved in each of the two daughter DNA molecules.
Explanation:
I looked it up lol
The child contains or is able to recieve both type a and b. the child obtained this from her parents.
Because a atom can join my nuts and I will have 3 nuts.?YOUR WELCOME JK