PLZ help! Which correctly describes crossing over? choose one. i will mark brainliest the process whereby non-sister chromatids exchange genetic material

the process whereby homologous chromosomes are pulled to opposite poles of the cell

the process whereby sister chromatids are pulled to opposite poles of the cell

the process whereby homologous chromosome pairs align randomly along the metaphase plate

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )