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Exploring Heredity

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Ever wonder where your traits come from?

Why do you think you look the way you do?

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Heredity Intro video clip/animationExplanation of passing traits

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Heredity interactive Instructions: Drag the appropriate amount of genes from the parents unto the childs embryo.

Parent 1 Genes (2 sets) Parent two genes(2sets)

Childs genome (user will need to drag one set of genes from each parent)

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Chromosome IntroAnimation and Explanation

(Explain the following vocabulary and how they are related and build upon each other. How they build from smallest to largest. )

DNA : Is the chemical that makes up our genes and all of the following parts. Allele: Half of geneGene: Codes for one traitChromosome: Bundle of genesGenome : All of an organisms chromosomes.

Graphic Illustrating that

DNA makes Alleles which make Genes which makes chromosomes

Drag and drop game for chromosome

• Instructions : drag the pieces to build a genome.

• (Pieces will be DNA- allele-Gene-Chromosome- and genome..Pieces fit like a puzzle Goal will be to illustrate the

layers of chromosomes from previous slide. )

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Dominant vs Recessive

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Dominant alleles always shows up as a trait when present. Recessive alleles are hidden by dominant traits so only show up when no dominant is present.

(Graphic or animation that explains dominant and recessive

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Dominant vs Recessive Practice

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(Students will be given scenarios with dominant only, recessive only, and hybrid dominant and recessive and have to explain which trait)

Instructions: Tall is a dominant trait in pea plants. Short is recessive. Below you are given the genes that the pea plants have and you need to determine which trait they have.

2 tall genes

1 tall and one short

2 short genes

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Genotype Phenotype Explanation

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(Narration and visuals)Genotype is your list of genes.

Represented by letters. capital=dominant Lowercase = recessive

Phenotype is a description of traits

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Genotype phenotype practice

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Part 1: Match dominant and recessive alleles.

Part 2: Match the following boxes with phenotype or genotype.

Part 3 Given the following information. Drag the genotypes with the matching phenotypes.

Genotype

PhenotypeAa Red Leaves

Dominant

RecessiveA a

TT Tall plant

tt

Tt

Short PlantT= Tall

t= short

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Punnett Square demo

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Punnett square practice

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(Students will drag boxes into the appropriate places on the punnett square)

Instructions Drag the alleles below onto the punnet square. First set up the punnett square and then fill in the square with the proper genotypes.

Parent One is tall and parent two is short. What will the offspring look like?

A aaaaAAAAA

1

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Assessment Drag and drop

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DNA

Chromosome

Genome

phenotype

genotype

dominant

recessive

heredity

The chemical that makes genes

A large bundle of genes.

A description of an organism’s

traits

trait that always shows up

One version of a gene.

Passing of genes from parents to

offspring

All of an organisms genes

An organisms genes

A segment of dna that codes

for a trait

A trait is hidden by a dominant

Allele

Gene

210

Assessment Questions

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• Yadd wakka ipsum delor