A red-flowered snapdragon is crossed with a white-flowered snapdragon and all offspring are pink. This is an example of

Answer and explanation

Correct answer: A. incomplete dominance

  1. Step 1: Neither allele is fully dominant, so heterozygotes show an intermediate phenotype.
Answer
incomplete dominance.
Why not the others: complete dominance: one allele would completely mask the other, giving all red or all white. codominance: codominance would show both red and white patches, not pink. a sex-linked trait: flower colour is not carried on the sex chromosomes.

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