If you cross two heterozygous (Yy) pea plants, what proportion of the offspring will be heterozygous?
A. 100%
B. 75%
C. 50%
D. 0%
F. 25%
Ans: C. 50%
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Melanin
A. is transferred to other cells by osmosis. B. is absent in individuals known as albinos. C. is a pigment produced by cells in the stratum corneum. D. makes the skin lighter. E. is increased with exposure to infrared light.
When two monosaccharides undergo a dehydration synthesis,
A) two new monosaccharides are formed. B) a disaccharide is formed. C) a polysaccharide is formed. D) a starch is formed. E) hydrolysis occurs.
When jumping into water, you notice resistance. This resistance is caused by water's ________.
A. hydrophobic tension B. osmotic equilibrium C. adhesiveness D. cohesiveness E. hydrophilic tension