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Frage 45

Two tomato plants have the same genotype for height but grow to different heights. Which statements are true? Select all that apply.

  1. One plant must have a different allele after all
  2. A measured difference here does not prove an allele differenceRichtige Antwort
  3. Growing conditions such as light and water can affect heightRichtige Antwort
  4. A phenotype is fixed by the genotype alone in every case

Erklärung

Height is one of the features that surroundings can push up or down, so plants with matching alleles can end at different measurements when light or water differ. That is why the gap between these two measurements is no evidence at all about the alleles, and why insisting the alleles must differ, or that appearance follows from the alleles alone, leaves out the conditions the plants grew in.

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Frage 45: Two tomato plants have the same genotype for height but… · Genetics Basics · Questena