When a person's red blood cells have neither A nor B antigens, what is the blood type of this person?

A. A

B. AB

C. B

D. O

Which of the following would be least likely to happen as a result of a mutation in a person's skin cells?

What do the bone marrow and the epidermis have in common

What is the measure of an inscribed angle with an arc angle measure of 120°

Given the size of a human's brain, x, and their score on an iq test, y, would you expect a positive correlation, a negative correlation, or no correlation?

When a portion of the sample does not respond to the survey?

Which organism's are omnivores? A) The snake, the bear, and the fish B) The fish and the eagle C) The bear and the fish D) The snake and the mouse If an omnivore is an animal that eats both plants and animals, I'd choose D because all the other

How are all humans similar?

Why does earth have such a diversity of plant and animal life? give three reasons.

After sequencing a molecule of dna, you discover that 20% of the bases are cytosine. what percentage of the bases would you expect to be thymine? explain why.

Kidneys that can conserve water are essential to homeostasis because: a) some animals live in dry or salty environments. b) some animals drink water.