Intro. to Genetics: DNA Basics

Which statement is true?

• Your DNA is the same as your siblings.
• Your set of DNA is identical to your mothers.
• Your set of DNA is identical to your fathers.
• Your DNA is unique to you.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Using the table on SLIDE 4 of your Genetics Notes, which part of the DNA Code is the largest?

• Nucleotides

• Codons

• Genes

• Chromosomes

Which type of reproduction produces organisms with MORE genetic variety? (Slide 5)

• Mitosis

• Asexual reproduction

• Sexual reproduction

• Budding

DNA passes genetic information to the next generation. What else does it do? (Slide 6)

• Controls the mitochondria

• Allows for diffusion of nutrients in and out of the cell

• Determines which proteins are made at the ribosomes

• It is the site of photosynthesis

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What is the building block of DNA? (Slide 7)

• Amino Acids

• Simple sugars

• 3 Fatty Acids and a Glycerol

• Nucleotides

What is NOT a part of a nucleotide? (Slide 7)

• Phosphate

• Ribosome

• Nitrogenous base (A, T, G, or C)

• 5-Carbon Sugar

What is the 5-carbon sugar found in DNA called? (Slide 9)

• Ribose

• Deoxyribose

• Fructose

• Glucose

What shape is the DNA molecule? (Slide 10)

• Alpha helix

• Double helix

• Beta-pleated sheet

• Secondary protein

How many strands of nucleotides are found in DNA? (Slide 12)

• 1

• 2

• 3

• 4

Which molecular base does Adenine (A) always bind with? (Slide 14)

• Adenine (A)

• Thymine (T)

• Guanine (G)

• Cytosine (C)