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Question 50

What is written in the margin cells along the top and the side of a Punnett square?

  1. The full genotype of each parent
  2. One allele, standing for each gamete a parent can makeBonne réponse
  3. The phenotypes of the offspring
  4. The names of the two parents

Explication

The margins stand for gametes, and each gamete holds a single allele of the gene being followed, so one symbol per cell is all that fits. Listing offspring phenotypes there would put the result of the cross where its starting material belongs.

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Question 50: What is written in the margin cells along the top and the… · Genetics Basics · Questena