Making a face
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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?. 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?


  • Gene

  • Chromosomes

  • Inherited Traits

  • Acquired Traits

  • Genotype

  • Phenotype

  • Sex Cells

Making a face

  • Piece of DNA that codes for a specific trait


  • 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


  • The combination of genes you receive


  • The features that result from your genes




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.


      • They will be used to make the unique combination of DNA for your child