Natural selection isn’t the only factor deciding human evolution. T-cell epitope data have been compiled by Dhruv Shah, Sharon Hsu and Thushan de Silva, University of Sheffield. There is no evidence at the time of writing for this impacting on the efficacy of current vaccines or the immune response to natural SARS-CoV-2 infection. Females can still be affected by X-linked disorders, but the condition is usually less severe than when the gene alteration is present in an affected male. A male has one X and one Y sex chromosome, and a female has two X chromosomes. Types of MD inherited in this way include myotonic dystrophy, facioscapulohumeral MD, oculopharyngeal MD and some types of limb-girdle MD.
It feels great, but behind the feeling lurks a danger and it’s not mentioned in the ‘small print’ of the holiday brochures. Jolie Pitt has announced she has had her ovaries and fallopian tubes … Read MoreRead More »