Punnett Square Quizzes Online & Trivia

A comprehensive database of punnett square quizzes online, test your knowledge with punnett square quiz questions. Our online punnett square trivia quizzes can be adapted to suit your requirements for taking some of the top punnett square quizzes.


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  • Probability is

  • What are the possible genotypes of the children in this Punnett square?

  • If you cross 2 heterozygous parents (using the letter 'A') what is the percentage the children will end up having a dominant trait?

  • What was the Punnett Square named after?
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  • Punnet squares display an organisms breeding outcome. It shows genotypes of one parent. 
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  • How would you correctly fill the punnett squares if the mothers genotype is GG and the fathers is Gg?
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  • Punnett squares are used by geneticists to determine the probability of different offspring genotypes. What letter(s) belong in the lower right box if one parent is homologous recessive and the other it heterozygous?  
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  • If two people who are both carriers for a genetically inherited fatal recessive disease decide to become parents, what will be the odds that their children will also be carriers?
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  • If two parents are heterozygous for a genetically inherited dominant trait, what is the probability that they will have a child together who has this trait in his or her phenotype?
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