Which of the following accurately characterizes the early cleavage divisions in most animals, although not necessarily in mammals?
A. They do not involve an increase in the size
of the zygote.
B. They are directed by the zygote's genome.
C. They are relatively slow.
D. They do not occur at the same time, so at
any given moment the zygote may have an
odd number of cells.
E. All of these choices are correct.
A
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