Draw and label: suppose gene c & d are linked on one chromosome and genes c & d are linked on another chromosome. assuming that crossing over does not take place, sketch (and take a picture) of the daughter cells resulting from meiosis, show ing the chromosomes and position of the genes.

Im going to explain it to you like this: This is a meiosis proceudure when chromosomes are pulled apart. In this case C and D would be found in one daughter and c and d will be on the other daughter. Something like:

C____D    and c______d
First and second cells will be the same 
As soon as the first part of the meiosis happens, in the second stage the first and second cell will be only C and D chromosomes and in the third and fourth cell there would be only c and d chromosomes

Gravitational force i believe

When plants die fungi breaks them down