DNA, GENES AND TRAITS

What is this image showing?

• DNA
• Chromosome
• Alleles
• Phenotype

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

What makes up the SIDES of a DNA ladder?

• nitrogen bases

• sugars & phosphates

• genes & chromosomes

• RNA

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

What is the significance of the sequence (order) of the Nitrogen Bases in DNA?

• The order of the Nitrogen Bases determines the number of chromosomes present in an organism.
• The order of the Nitrogen Bases determines the traits that an organism will possess (have).
• The order of the Nitrogen Bases determines the gender of an organism.
• The order of the Nitrogen Bases determines whether an organism is abiotic biotic.

Assume that you have straight hair and your sibling has curly hair. What accounts for this difference?

• You have DNA and your sibling does not.
• The your sequence of nitrogen bases is different than your sibling.
• Your sibling has a weave. 
• Your sibling has a genetic mutation. 

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

Hydrogen bonds are weak.

• True

• False