The figure above shows bands of DNA that were separated during gel electrophoresis. Which band contains the smallest DNA fragment?
Band A.
Band B.
Band C.
Band D.

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3

How do ratio scale and diagrammatic scale work