An advantage of sexual reproduction in a rapidly changing environment

Article Abstract:

Sexual reproduction manifests its advantages over asexual populations when environmental change exert strong directional selection. This directional selection limits progress only to the most extreme individual as well as decreases variance among members of the asexual population. Several traits may keep up with environmental changes but fitness which is dependent on a lot of factors will be selected with greater intensity.

Evaluation, Environmental aspects, Reproduction (Biology), Reproduction, Reproduction, Asexual, Asexual reproduction

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Electrophoretic evidence for disomic inheritance and allopolyploid origin of the octoploid cerastium alpinum (Caryophyllaceae)

Article Abstract:

The segregation patterns of different enzymes in the polyploid cerastium alpinum through controlled crosses is analyzed for studying the population genetic structure. By establishing the mode of inheritance through crosses, the use of a codominant marker in population genetic analysis of an octoploid plant was possible.

Sweden, Genetic polymorphisms, Caryophyllaceae

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Genetics: Alive and well. The first hundred years as viewed through the pages of the journal of Heredity

Article Abstract:

The history of journal of Heredity along with its development over the period 1914-1988 is described. The articles of the journal provide a vivid view of the changing field of genetics and have mainly focused on organismic genetics in a wide variety of animals and plants.

Animals, Organisms

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