Question detail

Which option correctly contrasts the named ideas for The development of understanding of genetics and evolution, Extinction: students must define extinction as occurring when no remaining individuals of a species are alive.

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At a glance

MCQ

Type

practice

Style

Topic

The development of understanding of genetics and evolution

Question

A. Correct contrast: DNA can contain many genes; a gene has a specific coding role. This matches Extinction because students must define extinction as occurring when no remaining individuals of a species are alive.
B. Reversed contrast: Calling a gene a whole chromosome. This would blur DNA vs genes instead of testing Extinction.
C. Over-broad contrast: Explaining protein coding without naming the gene as the relevant section of DNA. This misses the objective focus on define extinction as occurring when no remaining individuals of a species are alive.
D. Unrelated contrast: It moves into a neighbouring Unit 4.6 idea rather than The development of understanding of genetics and evolution / Extinction.

Answer

The correct option is Correct contrast: DNA can contain many genes; a gene has a specific coding role. This matches Extinction because students must define extinction as occurring when no remaining individuals of a species are alive.. It is the only option that keeps DNA vs genes separate and answers the approved learning objective in Extinction.

Explanation

The correct option is Correct contrast: DNA can contain many genes; a gene has a specific coding role. This matches Extinction because students must define extinction as occurring when no remaining individuals of a species are alive.. Correct contrast: DNA can contain many genes; a gene has a specific coding role. This matches Extinction because students must define extinction as occurring when no remaining individuals of a species are alive. is correct because DNA can contain many genes; a gene has a specific coding role. The learning objective says students must define extinction as occurring when no remaining individuals of a species are alive, so the answer must stay inside Extinction. The alternative options are wrong because they either calling a gene a whole chromosome., explaining protein coding without naming the gene as the relevant section of dna., or drift away from when asking about genes, test a section of dna, protein coding, alleles, or inherited characteristics..

Common mistake

Extinction common mistake 1

Giving a vague answer instead of directly addressing: Define extinction as occurring when no remaining individuals of a species are alive..

Answer by clearly explaining how to define extinction as occurring when no remaining individuals of a species are alive..

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