Answer:
Rosalind's x-ray showed that the ladders of nucleotides were inside a double helix.
Watson and Crick built models with the ladders on the outside.
The correct option is B.
Gene flow refers to the movement of genes from one population to another population. The movement of genes in and out of a particular population usually result in significant changes in the gene frequencies of the population members that are carrying specific variant of a particular genes. Thus leading to increase in the amount of genetic variations in that population.
<span>take the power of the objective (4X, 10X, 40x) and multiply by the power of the eyepiece.</span>
Answer:
Complementary base pairing is the phenomenon where in DNA guanine always hydrogen bonds to cytosine and adenine always binds to thymine. The bond between guanine and cytosine shares three hydrogen bonds compared to the A-T bond which always shares two hydrogen bonds.