DNA Review

How are our bodies similar to computers or cell phones?

• They both have a power cord that plugs into a wall.

• They both follow a set of instructions called code.

• They both use copper wires to send signals from one place to another.

• They both get 'viruses' that stop them from working.

What does DNA stand for?

• Deoxyribonucleic Acid

• Ribonucleic Acid

• Deoxyribose Amino Acid

What is DNA shaped like?

• 
• 

What are the 4 bases?

• Adenine, Uracil, Cytosine, Guanine

• Adenine, Guanine, Amino Acid, Guanine

• Adenine, Thymine, Cytosine, Guanine

Genes tell cells how to make

• proteins
• DNA

• sugar

What is a long chain of genes and DNA called?

• Nucleotides

• Chromosomes

• Amino Acids

• Nucleus

How many pairs of chromosomes do humans have?

• 46 pairs

• 23 pairs

• 12 pairs

• 6 pairs

Which is NOT a genetic trait?

• hair color

• eye color

• gender

• language

What percentage of DNA do humans share with one another?

• 99.9%

• 50%

• .01%

Look and read the picture. If DNA is the book and a Gene is just one specific recipe (like a recipe for blue eyes or brown hair), why do you think your body needs thousands of different 'recipes' to work correctly?