If changes occur in a DNA sequence, which other parameter must change?

phenotype ratio

mutation rate

variation amount

allele frequency

The FBI uses STR (short tandem repeat) analysis to identify criminals, and the FBI stores the information in a database. How many regions, or loci, of DNA are used for STR analysis?

A person has entered a hunger strike. After 60 days of starvation, this person is on the edge of dying. What is likely to be the cause of death? a. too many ketone bodies in the blood, which causes ketoacidosisb.

What body system receives information from the inside and outside the body and responds to that information?

How much of a human body cell is composed of water?

Four students have done a nice job drawing membrane models. Which model does the best job of showing osmosis? a. Thomas. Student-drawn membrane model within a rectangular box.

A blood smear is used to diagnose malaria. In patients with malaria, the protozoa can be found near and inside red blood cells. Explain why a microscope capable of high magnification and high resolution would be meeded to diagnose malaria

Why does the lipid bilayer self assemble?

3. In pea plants, inflated pods are dominant to constricted pods. Show the cross between a true-breeding inflated pod plant with a true-breeding constricted pod plant.

How might a scientist a determine whether trait sex-linked by observing the offspring of several genetic crosses

An individual who has an eating disorder along with intense thirst and wildly varying body temperatures may have a dysfunction of the medulla. hypothalamus. thalamus. pons. brainstem.