Explain how altered expression can change traits without altering genotype, sometimes reversibly within a lifetime.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2022–2026.
Inherited information is encoded in DNA and expressed in phenotypes. (a) Draw a DNA segment containing two base pairs. Label its nucleotide components and the interactions between the bases. (b) Describe how whole-genome sequencing can be used to infer…
Genetically matched butterfly larvae develop different adult wing pigmentation when reared at18°C and27°C. The response is phenotypic plasticity. Which explanation fits? A. The two groups must belong to different species B. Temperature alters expression of…
Nucleic acids underlie inherited biological variation. (a) Draw and label one RNA nucleotide. (b) Describe how DNA profiling can be used to investigate paternity. (c) Explain why human adult heights vary.
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