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21 paź 2021 · Inbreeding depression is the result of both differential fertility and mortality before reaching reproductive age. Advances in medicine and public health have reduced differences in reproductive success through family planning and the reduction in infant mortality, particularly in high-income regions.
Among those people whose parents were related, the researchers picked out typical signs of human inbreeding, such as a few common health issues. Inbred children commonly displayed decreased cognitive abilities and muscular function, reduced height and lung function, and are at greater risk from diseases in general, they found.
14 wrz 2019 · Here, I compared two personality traits, boldness and tendency to explore, of male guppies (Poecilia reticulata) from first‐generation inbred and outbred treatments. Boldness in guppies is associated with increased sexual attractiveness and is thus expected to affect fitness.
6 wrz 2019 · Genomic analysis has provided a new way of investigating a tricky topic: the prevalence of extreme inbreeding in humans. Cultural and religious taboos around inbreeding make its frequency ...
Inbreeding has been shown in almost all species to be associated with impairment of function because of homozygosity of recessive alleles. This occurs across a wide range of traits and suggests a large number of deleterious alleles in the human genome.
19 lis 2006 · SEABROOK: What options do these children have if they grow up and have relatively normal lives, if they continue to intermarry? It sounds like, that it may only get worse for them.
3 wrz 2019 · Here, we leverage a large observational study of ~450,000 participants of European ancestry from the UK Biobank (UKB) to quantify extreme inbreeding (EI) and its consequences.
