In a human population of 1000 ,840 are tongue rollers and 160 are not tongue rollers .What is the frequency of the dominant allele

What occurs to the cell during mitosis

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

What’s a example of extrusive rock that cooled to quickly for grains to form