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Lesson & Activity - Complete Dominance - w/ Google version for Distance Learning

Grade Levels
7th - 10th
Formats Included
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  • Google Apps™
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15 pages
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Also included in

  1. Teach Genetics with Ease 1 packet: Mendel’s Peas, Complete Dominance and Punnett Squares. (print or version in Google doc):The activity introduces students to dominant and recessive alleles and using Punnett squares to predict inherited traits. Students learn about the work of Gregor Mendel, who i
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Introduce dominant and recessive alleles, Punnett squares, and the work of Gregor Mendel. Mendel's pea shape and color alleles are used as the example traits.

In the activity students randomly select inherited alleles for pea shape and color - these data are used to learn about parent alleles, dominant and recessive traits, and using Punnett squares to predict probability of inheritance.

Lesson Includes:

  1. Introduction
  2. Activity (in school or at home) – randomly select dominant and recessive alleles for pea shape and pea color (Mendel’s peas)
  3. Data Analysis – compare predicted probabilities of allele selection to your random selection
  4. Use Punnett Square to Predict Allele Inheritance
  5. Punnett Square Check for Understanding
Total Pages
15 pages
Answer Key
Teaching Duration
1 hour
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to see state-specific standards (only available in the US).
Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation. Emphasis is on using models such as Punnett squares, diagrams, and simulations to describe the cause and effect relationship of gene transmission from parent(s) to offspring and resulting genetic variation.
Ask questions to clarify relationships about the role of DNA and chromosomes in coding the instructions for characteristic traits passed from parents to offspring. Assessment does not include the phases of meiosis or the biochemical mechanism of specific steps in the process.
Apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population. Emphasis is on the use of mathematics to describe the probability of traits as it relates to genetic and environmental factors in the expression of traits. Assessment does not include Hardy-Weinberg calculations.
Determine the meaning of symbols, key terms, and other domain-specific words and phrases as they are used in a specific scientific or technical context relevant to grades 6–8 texts and topics.
Follow precisely a multistep procedure when carrying out experiments, taking measurements, or performing technical tasks.


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