You have a pea plant with purple flowers with an unknown genotype, but you know that the recessive form of the plant has white flowers. How do you go about finding the unknown genotype of the purple flower plant? Show your work and the ratio of the F1 generation with explanation of your answer. (8 points) Hint: You have to show two separate crossings to find out the genotype.

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.