Sexual ________ marked by differences between the sexes in secondary sexual characteristics
Movement of alleles among populations
Describes how allele frequencies tend to fluctuate from one generation to the next and tends to reduce genetic variation
A locus is _______ if all the individuals in a pop are homozygous for the same allele
This effect tends to dramatically reduce the variation in a population due to change in the environment
Natural selection is a ________ process
improvement in the match between organisms and their environment
This type of selection favors individuals without extreme phenotypes
Selection that occurs between members of the opposite sex sometimes called mate choosiness.
Point mutations in noncoding regions are usually
Only mutations in cells that produce these can be passed to offspring
All alleles for all loci in a population
Verticales
Mutations that result in production of this are often harmful
Mutation rates are ___ in plants and animals
This type of selection favors individuals at one extreme of the phenotypic range
A population is in hardy weinberg equilibrium if it is not
In sexually reproducing organisms this is more important than mutation in genetic variation
Localized group of individuals capable of interbreeding
This effect occurs when a few individuals from a population become isolated from the larger population
This type of selection is between individuals of the same sex competing for members of the opposite sex.
This type of selection favors individuals at both extremes of the phenotypic range
Caused by differences in genes or other DNA segments
This type of selection is for the success of mating
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