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During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war." The chromosomes, which have been replicated and remain joined at a central point called the centromere, are called sister chromatids.
Answer:
Pythons and boa constrictors have tiny hind leg bones buried in muscles toward their tail ends. Such features, either useless or poorly suited to performing specific tasks, are described as vestigial. ... Vestigial legs are a clue that snakes descended from lizards.
Explanation:
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The similarities between sharks and dolphins are : Analogous
<h3>What are analogous structures ?</h3>
Analogous structures are similar structures present in different species that do not share the same/common ancestor.
The similarities between sharks and dolphins are streamlined bodies and the possession of fins and they are analogous structures because they evolved differently for sharks and dolphins as they do not share a common ancestor.
Hence we can conclude that The similarities between sharks and dolphins are : Analogous
Learn more about analogous structures : brainly.com/question/11154123
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