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Practice Reading: Multiple Choice, Single Answer ID: #37686 Gene Sequencing
Instructions ›
Read the text and answer the multiple-choice question by selecting the correct response. Only one response is correct.
Scientists have completed the sequences for the coast redwood, which helps to better explain the genetic basis for these species’ ability to adapt to their changing environments. The research indicates that the coast redwood genome evolved from a single ancestral species. The coast redwood is the world’s tallest tree, and its genome is among the most complex sequenced. When comparing the coast redwood genome sequence to that of other conifers, researchers found hundreds of gene families unique to the coast redwood. Many are genes that help the trees respond to and fight stress, resist disease and repair after injury.

According to the passage, which statement is true about coast red wood?

* Click on the correct answer

Result:

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Option 3: "It has genes that are beneficial to recovery."

Explanation: The text indicates that the coast redwood has genes that help the trees respond to stress, resist disease, and repair after injury. This directly supports the claim that these genes are beneficial to recovery, making this option correct.

Option 1: "Its genome evolved from multiple species."

Explanation: The text states that the coast redwood genome evolved from a single ancestral species, making this option incorrect. The use of 'multiple species' contradicts the information provided in the text.

Option 2: "Coast red wood sequencing is a simple task for scientists."

Explanation: The text does not mention the complexity or simplicity of the sequencing task. Therefore, this statement is unsupported and cannot be deemed true.

Option 4: "It has dozens of unique gene families compared to other conifers."

Explanation: The text specifies that researchers found hundreds of unique gene families in the coast redwood, not just dozens. This makes the statement inaccurate as it underrepresents the number of unique gene families.

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