Pop Quiz with a Twist Mendelian Genetics.

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Presentation transcript:

Pop Quiz with a Twist Mendelian Genetics

#1 Give the genotypic and phenotypic offspring percentage that results from the cross of the two guinea pigs in the slide. There is more than one possible genotypic ratio.

#1 Answer: Genotypic percentage A: 50% Bb and 50% bb Phenotypic percentage A: 50% black and 50% brown Genotypic percentage B: 100% Bb Phenotypic percentage B: 100% black

#2 What are the possible genotypes for the parents of the guinea pig pictured in this slide? Justify your answer.

#2 Answer: Ss x ss or Ss x Ss

#3 Use the ticket you pulled to create a Punnett square that shows the possible offspring of the cross indicated. Give the genotypic and phenotypic ratio of the offspring.