For a certain trait, a heterozygous individual has a selective advantage as compared to a homozygous dominant or homozygous recessive individual. This is called ________
A. codominance
B. incomplete dominance
C. overdominance
D. incomplete penetrance
E. multiple allele systems
C
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Which of the following does NOT occur during yeast fermentation?
A. Acetylaldehyde is reduced to make ethanol. B. Decrease in NADH. C. Lactate is produced. D. Pyruvate is broken down into CO2 and acetylaldehyde. E. NADH is oxidized to NAD+
Which characteristic is typical of a cancer cell but not of a normal cell?
A) Cell division is inhibited when the cell contacts neighboring cells. B) The cell cycle lacks S phase. C) The cell has the ability to invade surrounding tissue. D) Cell death occurs after a limited number of divisions.
Do humans exhibit r-selected or K-selected species patterns? What will be an ideal response?
Which of the following is part of the brain?
A) thymus B) hypothalamus C) adrenal cortex D) thyroid