The answer is A. Design a classroom experiment as a first setup starts with an experiment.
Design of experiments, also known as randomized experiments, is characterized by two distinctive features: (i) the deliberate manipulation of treatment, or more generally, the independent variables of interest to the researcher, and (ii). Random assignment of units to treatment and control groups.
What is a mice trait experiment?
Studies in mice allow mothers to pass traits to their offspring via bacterial DNA. Summary: A new study in mice has shown that the DNA of bacteria inhabiting the body can pass traits to offspring in a manner similar to that of the parents themselves.
Hence concluded that mice trait is to be performed first.
To know more about the mice experiment refer to the link :
https://brainly.com/question/3645462
