Genetics Test Review

The nitrogen bases found in DNA are represented by the letters

• T, U, G, A, and C
• T,A, P and C
• A, U, G, and C
• A, T, G, and C

The diagram represents a molecule of 

• DNA
• ATP
• FSH
• RNA

Adenine (A) bonds with ______________.

• Guanine (G)

• Thymine (T)

• Cytosine (C)

• Adenine (A)

What shape is DNA?

• a circle

• a triangle

• a double helix

What is the matching nitrogen base sequence for the gene below?

A-

T-

C-

• T-

  G-

  T-

• G-

  C-

  A-

• T-

  A-

  G-

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

A characteristic that an organism can pass on to its offspring through its genes is ___________

• Trait
• Gene
• Allele
• Dominant

An allele that is masked when a dominant allele is present. The "weaker" gene. 

• Dominant Allele
• Recessive Allele