Answer:
each new DNA double helix consists of one old strand and one new strand
Explanation:
<em>Replication </em><em>is a process during which the DNA produces a copy of itself. It is one of the steps involved in gene expression.</em>
During replication, the double helix strands of DNA are separated into individual strands by DNA helicase. Each strand then serve as a template for the synthesis of new complementary copies.
<em>After the synthesis of the complementary copies, the old strands do not wind back together. Instead, they wind with their newly synthesized complementary copies. This results in two DNA double helix with each consisting of one old strand and one new strand.</em>
This is why the replication of DNA is said to be semi-conservative.
C. Trace Fossils.
Because these are TRAILS, and not the actual animal, these are trace fossils.
Given what we know about darwins theory of evolution, we can say that the similarities and differences between species help to prove how completely unrelated species can evolve similar traits based on necessity.
<h3>How do these similarities help to prove Darwin's theory?</h3>
- They provide evidence of entirely different species developing similar traits.
- These traits develop based on the <u>needs </u>of each organism and its <u>environment</u>.
- The difference in the species also helps to prove that the development of traits is not entirely genetic in origin, further supporting the theory of evolution.
Therefore, we can confirm that since the similarities of completely unrelated species can serve to show that organisms evolve to adapt to similar environments, we can use these as evidence to support Darwin's theory of evolution.
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