A scientist is examining a human cell and attempting to determine whether the individual is a genetic male or a genetic female. What evidence about the cell, if true, would be most relevant to this question? Question 4 options: a) The twenty-third pair of chromosomes includes an X chromosome. b) The twenty-third pair of chromosomes includes a Y chromosome. c) The nucleus contains 46 chromosomes in 23 pairs. d) The cell contains protein-coding genes and regulator genes.