Search Results - "D'SOUZA, THOMAS G."
-
1
Population genetic structure of parthenogenetic flatworm populations with occasional sex
Published in Freshwater biology (01-02-2013)“…Summary 1. Sexual populations are expected to perform better in fluctuating environments than asexuals because recombination provides the potential to adapt to…”
Get full text
Journal Article -
2
Occasional sex in an ‘asexual’ polyploid hermaphrodite
Published in Proceedings of the Royal Society. B, Biological sciences (22-05-2004)“…Asexual populations are usually considered evolutionary dead–ends because they lack the mechanisms to generate and maintain sufficient genetic diversity. Yet,…”
Get full text
Journal Article -
3
Differential expression of heat shock protein 70 in relation to stress type in the flatworm Schmidtea polychroa
Published in Hydrobiologia (01-12-2009)“…Most heat shock proteins help to cope with stress in organisms ranging from bacteria to vertebrates. Many stress types acting on the intensity of intracellular…”
Get full text
Journal Article -
4
A simple method for the calculation of microsatellite genotype distances irrespective of ploidy level
Published in Molecular ecology (01-07-2004)“…Microsatellites are powerful molecular markers, used commonly to estimate intraspecific genetic distances. With the exception of band sharing similarity index,…”
Get full text
Journal Article -
5
The effect of ploidy level on fitness in parthenogenetic flatworms
Published in Biological journal of the Linnean Society (01-06-2005)“…Although polyploidy plays an important role in speciation, its impact on fitness is still debated. One problem is that its adaptive significance can only be…”
Get full text
Journal Article -
6
Costs and Benefits of Occasional Sex: Theoretical Predictions and a Case Study
Published in The Journal of heredity (01-03-2010)“…Theory predicts that occasional sexual reproduction in predominantly parthenogenetic organisms offers all the advantages of obligate sexuality without paying…”
Get full text
Journal Article -
7
Sperm length and quality in sperm-dependent parthenogens
Published in Biological journal of the Linnean Society (2008)“…Is the male function of parthenogenetic hermaphrodites a historic remnant or an adaptive investment? In the first case, one would expect the male function to…”
Get full text
Journal Article -
8
Genetic signatures of occasional sex in parthenogenetic subpopulations of the freshwater planarian Schmidtea polychroa
Published in Freshwater biology (01-10-2006)“…Summary 1. Occasional sex in organisms that otherwise propagate clonally combines the advantages of both reproductive modes. Although theory predicts that this…”
Get full text
Journal Article -
9
The effect of ploidy level on fitness in parthenogenetic flatworms
Published in Biological journal of the Linnean Society (01-07-2005)Get full text
Journal Article -
10
Population size estimate of a reef-flat aggregation of Chromodoris annulata (Opisthobranchia, Chromodoridae)
Published in Journal of molluscan studies (01-05-2006)Get full text
Journal Article -
11
Sperm length and quality in sperm-dependent parthenogens: SPERM LENGTH AND QUALITY
Published in Biological journal of the Linnean Society (01-01-2008)Get full text
Journal Article -
12
The effect of ploidy level on fitness in parthenogenetic flatworms: PLOIDY EFFECTS ON FITNESS
Published in Biological journal of the Linnean Society (01-06-2005)Get full text
Journal Article