Explain the connection of the electrodes and the DNA insertion and separation?

Question

anonymous · Answer

1.	Monohybrid cross: In the Kirstenbosh Botanical gardens, homozygous pink tiger lilies (dominant - P) cross with homozygous white Tiger lilies.   

a)	Show the genotypes of the parents. If a cross is made between the two flowers show the results of this cross (F1 generation) – include ALL genotypes and phenotypes of the F1 generation and show your punnet square.  	         					 

b) Show the F2 generation results – show ALL genotypes and phenotypes as well as your punnet square. What is the phenotypic ratio of the F2 generation?

aaronq · Answer

DNA is uniformly negatively charged (phosphate "backbone"), we can exploit this to separate DNA strands of various sizes by using an electric field (generated by the separation of oppositely charged electrodes) across a sieving matrix (e.g. a porous gel). Due to friction, longer strands are retarded further than shorter ones and as a result they travel a shorter distance.

aaronq · Answer

idk what you mean by "DNA insertion"