The heritability of a trait can be defined as
A. the sum of all phenotypic variation in the population
B. the average amount of genetic variation in each individual
C. the proportion of variability in a population that is caused by genetic variance
D. the absolute measurement of genotypic variation in a population
E. the proportion of variability caused by the environment
C
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Many new species of desert lizards have arisen from a nonnative population which was introduced into
the American southwest. This example best describes:a. the effects of climatic change. b. sympatric speciation. c. adaptive radiation. d. microevolution. e. allopatric speciation
Choose the biological molecule or characteristic in column 2 that best matches each technique in column 1. Choices in column 2 (A–E) can be used more than once
A) single nucleotide polymorphisms (SNPs) B) nucleotide sequences C) mRNA D) short tandem repeats (STRs) E) protein 1) BLAST search analysis 2) two-dimensional gel electrophoresis 3) Northern blotting 4) in situ hybridization 5) Western blotting (or immunoblotting) 6) DNA microarray 7) DNA fingerprinting 8) haplotyping
A population of frogs developing a slight difference in their mating calls is an example of
A. macroevolutionary change. B. artificial selection. C. microevolutionary change. D. Hardy-Weinberg equilibrium.
In the Ames test, any colonies that form on the control should be the result of spontaneous mutations
Indicate whether the statement is true or false