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DO NOW. DNA and Chromosomes. Chromosome Bracelets. Create a Chromosome with two pipe cleaners Select beads that represent your traits and put them on your bracelet. HAIR COLOR : Brown: 1 Blue, 1 Green Blonde: 2 green HAIR TEXTURE: Curly Hair: 1 Red,1 Orange Straight : 2 Orange.

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Chromosome bracelets
Chromosome Bracelets

  • Create a Chromosome with two pipe cleaners

  • Select beads that represent your traits and put them on your bracelet

HAIR COLOR: Brown:1 Blue, 1 Green Blonde: 2 green

HAIR TEXTURE: Curly Hair:1 Red,1 Orange Straight : 2 Orange




Observing traits pg
Observing Traits pg

Record this chart on page __in your notebooks


Observing traits
Observing Traits

Use the pictures on the sheets at your table to fill in your phenotypes and genotypes.


One sentence summary pg 33
One Sentence Summary pg 33

Read each paragraph and record a one sentence summary under your trait chart.

  • Genes are ___________________________

  • Dominant genes ______________________

  • Recessive genes _______________________.


Traits practice pg
Traits Practice pg

Copy these parent traits and on page __of your notebook


Traits practice
Traits Practice

  • Answer the following questions on page___ of your notebook in complete sentences.

    1.Which parent gave the brown hair allele for hair color?

    2. What is the phenotype of the offspring’s hair color?

    3. What is the phenotype of the offspring’s hairline on their forehead?

    4. Will the offspring be able to roll his/her tongue? How do you know?


Dragonfly genetics
Dragonfly Genetics

Male Alleles

What is the code?

(ee)

What does the baby dragonfly look like?

What does it look like?

(white eyes)

Female Alleles



Brainpop
Brainpop

Heredity


Punnett squares
Punnett Squares

Mother’s Genotype

Punnett Square – a chart used to show four possible ways that genes can be combined when passed from parents to offspring as a result of reproduction.

Father’s genotype – on side of square

Mother’s genotype – on top of square

Allele 1

Allele 2

Father’s Genotype

Allele 1

Allele 2


Punnett square example
Punnett Square – example

  • Top left box = Mother’s first allele, Father’s first allele

  • Top right box = Mother’s second allele, Father’s first allele

  • Bottom left box = Mother’s first allele, Father’s second allele

  • Bottom right box = Mother’s second allele, Father’s second allele



Exit ticket
Exit Ticket

  • Create a concept map using the following words:

    Cell phenotype

    Nucleus genotype

    Chromosomes allele

    Genes

    Passing of traits

    Sections of DNA


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