PLEAS HELP Which of the following is the best description for Epistasis?
A. Two alleles keeping each other in equilibrium.
B. A recessive allele that controls the expression of a dominant allele in a different trait.
C. A state of being very close to equilibrium, but not quite there.
D. When two dominant alleles are present and are both expressed equally.

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

How does climate change affect producers?

Which factor most likely caused animals and plants in india to differ greatly from species in nearby southeast asia?