________ refers to the fraction of the total variation in a trait that is due to variation in genes
Fill in the blank(s) with correct word
Heritability
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In ________ speciation, there is gene flow between populations that are in the process of diverging into two or more species. In ________ speciation, there is no gene flow between populations that are in the process of diverging into two or more species
A. allopatric; sympatric B. sympatric; allopatric C. Both allopatric and sympatric are applicable to either description. D. Neither allopatric nor sympatric is applicable to either description.
Speciation that takes place when a physical barrier subdivides a large population is called ____ speciation
a. morphologic b. parapatric c. allopatric d. sympatric e. geographic
Ecdysone inhibitors are used as
a. insecticides. b. nematocides. c. herbicides. d. insecticides and nematocides. e. insecticides, nematocides, and herbicides.
In a human, the 46 chromosomes would be at the equator during
A. interphase. B. prophase. C. anaphase. D. metaphase.