The correct answer is option A- A scientific presentation of experimental results at a scientific conference.
Reason: A scientific presentation contains all the information which is based on experimentation and research of years and years. All the information is a scientific presentation would be factual and contain authentic data.
On the other hand, the other entire options even if contain information would not be authentic and contain errors and words of mouth.
The correct answer of the question above is the first statement. In anaphase I, homologous pairs are separated but sister chromatids stay joined together. It is <span>best statement that describes the major difference between anaphase of mitosis and anaphase I of meiosis.</span>