Question

1) some plants occur in one or two sizes : tall or dwarf. this characteristic is controlled by one pair of genes. tallness is dominent to dwarfness. choose suitable letters for this gene pair.

2) give an example of characteristics being used to determine how close two species are in evolutionary terms.

3) difference between tropic and nastic movements in plants ? give 1 example of nastic movement in plant.

Answer 1

dwarfness is recessive. 

to determine the evolutionary in two species see the changes in both.

 for natic movement is venus fly trap and tropic movement is growth movement