According to the article Take a Whiff about mate choice and body odor, how can an organism increase the chances of having MHC heterozygous offspring:
(a) by eating the right foods and getting plenty of sleep
(b) mating with individuals who have different alleles
(c) covering up body odor with perfume-like substances
(d) choosing mates who have the same eye color
B
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In an early experiment, subjects practiced a motor skill on a pursuit rotor until they
were doing as well as they could. Their performance leveled off and stayed constant after a period of learning. Then the experimenter tested the subjects alone, and their performance did not change. When a group of people came in and watched, their performance (a) improved (b) declined (c) stayed about the same (d) improved, then declined, as arousal increased (e) declined, then improved, as arousal increased
Binocular rivalry occurs when:
a. Two visual stimuli of different intensities are presented consecutively b. Two visual stimuli are presented alternately in the same part of the visual field c. Two visual stimuli send conflicting information to the brain d. Two complex visual stimuli are presented for very brief periods of time