Genetics and the Origin of Species, Volume 11, Part 1Organic diversity; Heredity and mutation; Mutation in populations; Selection; Adaptive polymorphism; Race formation; Isolating mechanisms; Hybrid sterility; Species as natural units; Patterns of evolution. |
Contents
ORGANIC DIVERSITY | 3 |
HEREDITY AND MUTATION | 19 |
MUTATION IN POPULATIONS | 50 |
Copyright | |
14 other sections not shown
Common terms and phrases
adaptive adaptive value alleles animals appear arise bacteriophage become bivalents body breeding carry caused cells changes Chapter chromosomes color combinations complex cross cytoplasm described determined diploid distinct distribution Dobzhansky dominant Drosophila Drosophila pseudoobscura effects eggs environment evidence evolution evolutionary example exist experiments fact females fertile flies formation forms frequencies gene gene arrangements genetic genotypes geographic give greater groups heterozygotes homozygotes human hybrids important increase individuals inversions isolation known latter least less lethals living localities males means mechanisms melanogaster Mendelian method mutation natural selection normal observed obtained occur organisms origin pairing parental percent persimilis plants pointed polymorphism populations possible present probably problem produce races rare rates recessive relatively represented resistant sexual shown similar single situation species sterility strains structure studied sympatric theory third tion traits translocation types United usually variability variations