The scientists must be aware of the ethical issues related to the research as it is important for the authenticity and validity of their research. The research must be original work and creativity of the scientists. If some information is taken from any source it is required to be addressed in the research work to appreciate the efforts of the other scientists and for the purpose of the acknowledgement.
For number one the answer is Punnet square. For number two the answer is first generation and for number three the answer is TT so letter D! I hope this helps you!
