A researcher observes a unicellular organism reproducing asexually. The daughter cells are genetically identical except for a few minor variations. Which mechanism is MOST likely responsible for these variations?
Crossing over during mitosis
Independent assortment of chromosomes
Random mutations during DNA replication
Conjugation with another individual
Related Questions
Which statement is FALSE concerning the polarity of water molecules?
It arises from the unequal sharing of electrons between oxygen and hydrogen.
It contributes to the formation of hydrogen bonds.
It allows water to dissolve many ionic compounds.
It causes ice to be less dense than liquid water.