The development of embryonic cells that allows them to become different specialized cells of different organs and tissue and then function in very different ways in an adult organism is best explained by which of the following:
W) they have evolved different genomes
X) they each contain different genes
Y) they use different genetic codes
Z) different genes are expressed or turned on and off in different cells
✔️Answer:Z) DIFFERENT GENES ARE EXPRESSED OR TURNED ON AND OFF IN DIFFERENT CELLS
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