Self-fertilization in mosses: A comparison of heterozygote deficiency between species with combined versus separate sexes

Article Abstract:

Allozyme electrophoresis is used to estimate deviations from expected levels of heterozygosity under Hardy-Weinberg equilibrium to infer selfing rates in 10 species from 36 New Zealand populations. It is found that while there are deficiencies of heterozygotes compared to expectation in both monoicous and dioicous mosses, monoicous species had considerably higher levels of heterozygote deficiency than diocous species.

New Zealand, Analysis, Hardy-Weinberg formula, Moss, Mosses

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Stocking impact and temporal stability of genetic composition in a brackish northern pike population (Esox lucius L.), assessed using microsatellite DNA analysis of historical and contemporary samples

Article Abstract:

The genetic impact of stocking freshwater pike into a brackish pike population in Stege Nor, Denmark, is investigated. The polymorphism at eight microstellite loci in samples representing the indegeneous Stege Nor population prior to stocking is analyzed, along with a sample of the contemporary Stege Nor population and samples from the three population used for stocking.

Denmark, Observations, Pike, Pikes (Fishes), DNA microarrays

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Developmental instability as an estimator of genetic stress

Article Abstract:

The study shows Developmental instability (DI) as an indicator of stress, as it is more sensitive than other measures. Thus several meta-analyses are performed to test for associations between DI and heterozygosity, however it failed to support the existence of a positive relationship between the levels of genetic stress and DI.

Developmental biology, Genetic research

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