What enzyme works to add DNA to ends of chromosomes in rapidly dividing cells such as those found in an embryo, to prevent genes from being lost during replication?

What enzyme works to add DNA to ends of chromosomes in rapidly dividing cells such as those found in an embryo, to prevent genes from being lost during replication? 



a. DNA polymerase
b. histones
c. telomerase
d. chromatin


Answer: d. chromatin


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