Genetic variation occurs.
Mutations are not copied over and over again.
Gene flow — also called migration — is any movement of individuals, and/or the genetic material they carry, from one population to another. Gene flow includes lots of different kinds of events, such as pollen being blown to a new destination or people moving to new cities or countries.
Answer:
preventing friction between bones
When DNA replicates, each strand of the original DNA molecule is used as a template for the synthesis of a second is known as complementary strand. 5' side on top, broken arrow 3' side on bottom, non-continuous arrow called lagging strand. Continuous strand to 5 to 3 in complementary called as leading strand.
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what is Okazaki fragments?
The Okazaki fragments also known as lagging strand that are joined together by the enzyme DNA ligase.
These leading and lagging strands only formed in the DNA replication and DNA polymerase is the enzyme which helps in DNA dependent replication. DNA polymerase forms two identical DNA strands from a single DNA molecule.
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