Which of the following summarizes the law of dominance?
a. One trait in a heterozygote will conceal the presence of another trait for the same characteristic.
b. Every possible combination of alleles is likely to occur due to genetic influence.
c. Paired genes segregate equally into gametes so that one gamete is more likely to be inherited.
d. A recessive trait will be expressed in offspring that have one copy of the allele.
a. One trait in a heterozygote will conceal the presence of another trait for the same characteristic.
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The water lattice illustrated in the figure above forms as a result of ____ between water molecules
a. covalent bonds b. hydrogen bonds c. nonpolar interactions d. ionic bonds e. van der Walls forces
Muscle fibers that are diagonal to the long axis of the body.
a) frontal b) sagittal c) transverse d) oblique e) midsagittal
Metabolic reactions fall under two general categories: anabolic and catabolic. What type of chemical reactions are these two classes of metabolic reactions?
A. Both anabolic and catabolic reactions are endergonic. B. Both anabolic and catabolic reactions are exergonic. C. Anabolic reactions are endergonic reactions, whereas catabolic reactions are exergonic. D. Anabolic reactions are exergonic reactions, whereas catabolic reactions are endergonic.
The C4 mechanism of carbon fixation is an advantage for plants that live in:
a) ponds or other bodies of fresh water. b) swamps or bogs. c) the shade of other plants. d) hot, dry climates. e) tropical climates.