Monohybrid Punnett Squares: Step-by-Step (With Answer Key!)

Monohybrid Punnett Squares: Step-by-Step (With Answer Key!)
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0.67 MB   |   8 pages

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Whether you are introducing Punnett Squares for the first time or looking for a resource to revisit skills with students who need more scaffolded practice, this four-page Punnett Square practice packet will ensure students can:

*Distinguish between genotypes and phenotypes
*Find key information from word problems about monohybrid crosses
*Set up and fill out Punnett Squares
*Interpret Punnett Squares to predict offspring genotype and phenotype probabilities
*Find parent genotypes based on offspring

BREAKDOWN OF TASKS:

Page 1: Practice prior knowledge
*Identify if descriptions are genotypes or phenotypes
*Find genotypes and phenotypes based on given dominant and recessive alleles
* Find genotypes and phenotypes in word problems

Page 2: Step-by-Step Guide
*An example of a word problem that requires a Punnett Square is broken down into four steps.
*Each step has a diagram of the Punnett Square that highlights what the student would use or need to do to complete the step.
*Uses shades of grey to allow students to "follow" alleles through the Punnett Square on photocopies.

Page 3: Punnett Square Problems
*Word problems listed in increasing difficulty
*Students interpret their results to find genotypes and phenotypes
*Answers listed as percentages

Page 4: Critical thinking problems
*One real-life application problem
*One backwards application problem (use known results to find parent genotype)

ANSWER KEY INCLUDED AT THE END
Total Pages
8
Answer Key
N/A
Teaching Duration
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Monohybrid Punnett Squares: Step-by-Step (With Answer Key!)