write a sentence that summarizes how to calculate the fraction, percentage or number of combinations from the two Punnett squares in a dihybrid cross.

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.

All eukaryotic cells contain small bodies called

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different