Chargaff's Rules

Identify which of these statements is correct, the percent (%) of guanine is equal to the percent of

• adenine

• thymine

• cytosine

• guanine

Identify which of these statements is correct, the percent (%) of adenine is equal to the percent of

• Thymine

• Cytosine

• Adenine

• Guanine

Identify the correct ratio of Adenine to Thymine and Cytosine to Guanine in DNA molecule.

• 1:2

• 2:1

• 1:1

• 3:1

In the DNA of a panda, there is 30% adenine. Determine the percent of guanine.

• 15%

• 40%

• 10%

• 20%

In organism #1 there is 13% thymine in a molecule of DNA, Determine the percent (%) _____ cytosine.

• 13%

• 26%

• 37%

• 74%

In organism #1 there is 29% guanine in a molecule of DNA, Determine the percent (%) _____ thymine.

• 21%

• 29%

• 42%

• 58%

Chargaff's experiments showed that the amount of A, T, G and C is the same from species to species

• True
• False

If a DNA stand has 32 % guanine before semi conservative replication occurs, what percent thymine will each new strand have after replication? 

• 64%
• 32%
• 18%
• 36%

Based upon the data in the table provided complete letter D (32% Thymine), determine the percentage of Cytosine present in DNA of Yeast.

• 20%

• 36%

• 64%

• 18%

Based upon the data in the table provided complete letter F (22.8% of Guanine), determine the percentage of Thymine present in DNA of Maize.

• 37.9% Thymine

• 32.8% Thymine

• 27.2% Thymine

• 22.6% Thymine