The Reason Why Females Live Longer Than Males Is All in the Genes Dissertation

The reason why females live much longer than males is all in the genes

Researchers are finally beginning to understand one of life's enduring insider secrets - why women live, on average, much longer than males. The new analysis describes how mutations to the DNA with the mitochondria can easily account for variations in the life expectations of women and men. Mitochondria, which will exist in almost all creature cells, happen to be vital forever because they convert our food in the energy that powers your body.

Dr Damian Dowling and PhD college student Florencia Camus, from Monash School of Biological Savoir in the U. S., individuals Dr David Clancy via Lancaster School to uncover variations in longevity and biological ageing across male and female fresh fruit flies that carried mitochondria of different beginnings. They identified that hereditary variation around these mitochondria were trusted predictors of life expectancy in males, but not in females. Dr Dowling said the results point out numerous mutations within mitochondrial DNA that affect how much time males live, and the velocity at which they age. This individual said: 'Intriguingly, these same mutations have no effects on patterns of aging in females - they only affect males. 'All animals have mitochondria, as well as the tendency for women to outlive males is common to many different species. 'Our results therefore claim that the mitochondrial mutations we certainly have uncovered can generally trigger faster male ageing throughout the animal kingdom. ' The researchers said the variations can be entirely attributed to a quirk in the manner that mitochondrial genes are passed down by parents to offspring. Doctor Dowling said: 'While children receive clones of most of their genes coming from both all their mothers and fathers, they will only receive mitochondrial family genes from their mothers. 'This implies that evolution's top quality control process, known as normal selection, simply screens the caliber of mitochondrial family genes in mothers. 'If a mitochondrial mutation occurs that harms fathers, but has no effect on...



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