What must a responding officer do before entering a crime scene if the conditions warrant entering? ensure that the scene is safe and cleared for the other personnel arriving on-scene

call 911

collect as much evidence as possible before it is contaminated

question any and all witnesses

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )