18. Which is the primary advantage to sexual reproduction over asexual reproduction? A. The offspring are identical to parents.
B. There is longer development time for offspring.
C. The offspring are born alive, rather than from eggs.
D. The offspring inherit a wider variety of genetic information.

American scientist, linus pauling, was one of many scientists racing to discover the molecular structure of dna. pauling initially thought that the molecule was a triple helix. later, james watson and francis crick unveiled their double helix model, which turned out to be an accurate description of the molecule's shape. why did watson and crick succeed when pauling failed?