Which best describes the structure of DNA?

A. Alleles held together by genes

B. A tetrad with two sister chromatids

C. Nucleic acids arranged in a double helix

D. Chromosomes linked in a loop

Since Mendel's time, geneticists have discovered these patterns of inheritance at the gene level.

What happens when no oxygen is present after glycolysis?

Which of the following would be a result of eutrophication of a lake?

The diagram represents one of Mendel's laws or principles of inheritance. Which law or principle does the diagram represent? dominance independent assortment segregation genetics

Which of the following happens during cell division

Which level of biological classification is the lowest level that butterflies

What might happen if a continent stops rifting apart?

Write the least common multiple of 7 and 14

How long do footprints last at the sene of the crime?

Which of the following items would have the highest density? A. A 2 cm3 block of lead with a mass of 11 grams B. A 12 cm3 block of wood with a mass of 3 grams C. A 12 cm3 block of aluminum with a mass of 2 grams