3 nonrandom mating selection of mate according to

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: occurring... 3. Nonrandom mating - selection of mate according to phenotype (generated by alleles) Selection of mate according to genotype or phenotype (not chance) Sexual selection - favors characteristics that increase the likelihood of obtaining mates (hunkiest alleles). 4. Genetic drift - changes in allele frequencies due tondom chance (e.g. catastrophy) ' Refers to changes in the allele frequencies of a gene pool due to chance Allele frequencies "drift" over time depending on which members die, survive, or reproduce. LE More likely in small populations, where chance plays a large role li 2 types - bottleneck and...
View Full Document

This document was uploaded on 03/27/2014 for the course BIOLOGY Bio 2 at Timber Creek High.

Ask a homework question - tutors are online