Why do certain traits exist within a population? traits confer some advantage. certain traits build up over time. each trait expresses variable fitness under equilibrium. traits usually result in sexual selection.

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

Has magnification ability of hundreds of thousands of times