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nata0808 [166]
3 years ago
9

Which of the following ideas is supported by Darwin's observation of local variation among tortoises in the Galapagos Islands A)

artificial selection B) adaptation C) acquired characteristics D) tendecy towards perfection
Biology
1 answer:
Hoochie [10]3 years ago
4 0

Adaptation is supported by Darwin's observation of local variation among tortoises in the Galapagos Islands.

 

<span>In biology, an </span>adaptation, also called an adaptive trait, is a trait with a current functional role in the life of an organism that is maintained and evolved by means of natural selection. Adaptation<span> refers to both the current state of being </span>adapted<span> and to the dynamic evolutionary process that leads to the </span>adaptation.

 

The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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Transposable elements and short tandem repeats are different because short tandem repeats make up only a small percentage of a given genome while transposable elements often make up larger parts of a genome. So the correct option is C.

<h3>What are transposable elements? </h3>

Transposable elements or transposons are a class of genetic elements. They can  “jump” from one location to another, in a genome.

Even though they are called “jumping genes,” they have an integrated site in a genome and are maintained there. Also, most of them are eventually inactivated and can not move any longer.

Whereas Short tandem repeats or STRs are short repeats of DNA. They are also known as microsatellites or simple sequence repeats. They have a repetitive unit of 1-6 bp and form a series of 100 nucleotide lengths.

Therefore the correct option C.

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