Heliotropism (like sunflowers)
Answer:
To test the presence of protein in the food substance which gives a blue-to-purpule colour
an electrically charged particle is your answer :)
Traits that are passed down on an X or a Y chromosome are sex-linked traits. Most of the time males are affected by sex-linked traits because males only have one X and a Y. The Y is the chromosome that makes a man, a man.
