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Making a Face. How chromosomes make us, us!. What makes you, you?. Do now: On your index card: What are genes? Where are genes located?. http://www.youtube.com/watch?v=_hRM11Bv7BA. Vocabulary. Gene Chromosomes Inherited Traits Acquired Traits Genotype Phenotype Sex Cells. Gene.

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making a face

Making a Face

How chromosomes make us, us!

what makes you you
What makes you, you?
  • Do now:
    • On your index card:
      • What are genes?
      • Where are genes located?
vocabulary
Vocabulary
  • Gene
  • Chromosomes
  • Inherited Traits
  • Acquired Traits
  • Genotype
  • Phenotype
  • Sex Cells
slide5
Gene
  • Piece of DNA that codes for a specific trait
chromosomes
Chromosomes
  • DNA that is coiled up so that it is easier to move from cell to cell.
inherited traits
Inherited traits
  • Features that are only passed down to offspring through DNA. Cannot be changed
acquired traits
Acquired Traits
  • Features that are not passed through DNA
    • Ex. A scar on your leg or a new hair cut
which are inherited and which are acquired
Which are inherited and which are acquired?
  • Hair color
  • Eye Color
  • Hair style
  • Callus on your finger
  • Nose shape
  • Bigger muscles from working out
  • Scar on your arm
  • Ear size
genotype
Genotype
  • The combination of genes you receive
phenotype
Phenotype
  • The features that result from your genes

Red

Red

White

sex cells gametes
Sex cells (gametes)
  • Sperm cells and egg cells only have half of the DNA of our regular cells
  • When they come together, they will make a complete set of chromosomes for the new offspring
    • ½ DNA from mom + ½ DNA from dad
make a face
Make a Face
  • Step 1
    • Cut out your chromosomes and fold each in half lengthwise. Be careful to cut on the correct lines.
      • Follow Mr. Tran’s Example! Cut the highlighted parts.
    • Glue the halves shut with a glue stick
    • Place chromosomes in the plastic bags provided and label with your name and period.
    • DO NOT LOSE YOUR CHROMOSOMES
      • They will be used to make the unique combination of DNA for your child
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