Favors individuals at both extremes of variation.

Stabilizing selection

Disruptive selection

Directional selection

Divergent selection

As a NASA biologist, you are studying alien cells found under the polar ice cap of Mars. You find that these cells contain RNA consisting of 10 different nucleotide bases, and proteins consisting of 76 different amino acids.

Using a punnett square explain why males are affected more often than females by sex linked genetic disorder.

Which of the following is an example of an organ? A) Stomach B) Brain cell C) Muscle Tissue D) Heart

What are the medical terms for meiosis?

If Earth's rate of rotation increased, what would change? A. The day would be longer. B. The day would be shorter. C. The year would be longer. D. The year would be shorter.

Penicillin is hydrolyzed and thereby rendered inactive by penicillinase (also known as b-lactamase), an enzyme present in some penicillin - resistant bacteria. the mass of this enzyme in staphylococcus aureus is 29.6 kd.

Which of these accurately describes a scientific theory? Select one: A. Theories are statements that describe some aspect of the universe. B. Theories are broad explanations based on many observations and experimer C.

Which Scientists Gave Cells their name while observing cork under a microscope

What. System rid the body of carbon dioxide?

What is the process of mountain building called