Answer:
By finding recombination frequencies for many gene pairs, we can make linkage maps that show the order and relative distances of the genes on the chromosome ..
I think that 3 is C and 2 is B
It would be the first choice :)
Because when replicating DNA, this process is called semi-conservative
Hope this helps :)
~His Cookie Monster
They were adapted to an environment and once it is taken away the plants will slowly start to die. I'm not 100% :)