Assume that a cross is made between two organisms that are both heterozygous for a gene that shows incomplete dominance. What phenotypic and genotypic ratios are expected in the offspring?
What will be an ideal response?
1:2:1, 1:2:1
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The sodium-potassium pump of neurons pumps
A. Na+ and K+into the cell. B. Na+ and K+ out of the cell. C. Na+ into the cell and K+ out of the cell. D. Na+ out of the cell and K+into the cell. E. Na+ and K+into the cell and H+ out of the cell through an antiport mechanism.
A protein similar to the human Rh blood factor (which is due to a specific set of genes) can be found in many animals. In which of the following is it least likely to be found?
A) chimpanzees B) goats C) dogs D) parrots
Explain the origin, location, and function of the proton gradient in the process of photosynthesis. What will be an ideal response?
A bear at a national park has discovered that if it can open the lid of the trash cans, it is likely to find tasty food inside. Soon it is trying to open the trash cans all over the park. What mechanism of learning has occurred?
A. air conditioning B. operant conditioning C. habituation D. classical (Pavlovian) conditioning