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MHC-based sexual selection is known to involve olfactory mechanisms in such vertebrate taxa as fish, mice, humans, primates, birds, and reptiles. [1] At its simplest level, humans have long been acquainted with the sense of olfaction for its use in determining the pleasantness or the unpleasantness of one's resources, food, etc.
In humans, there is evidence that women will rate men's odor as more pleasant if the odor has MHC-dissimilar antigens, which is proposed as a way of avoiding inbreeding and increasing heterozygosity. [ 26 ] [ 27 ] However, women on contraceptive pills rate the odor of MHC-similar men as being more pleasant, it is unknown why women on ...
In humans, females have to endure a nine-month pregnancy and childbirth. [67] Females thus provide a greater biologically obligatory parental investment to offspring than males. [ 67 ] [ 70 ] This provides males with a greater window of opportunity to mate and reproduce than females, hence females are usually more choosy, but males still make ...
With a business application rate of 2,748 and a GDP growth rate of 34%, Cape Coral is a vibrant community for businesses in real estate, construction, and tourism. 14. Wilmington, NC – 67.96 points
This puts the application rate for UK 18-year-olds at 41.3%, down from 41.5% in 2023. The number of applicants – of all ages and domiciles – to nursing courses in the UK has fallen by 7.4% to ...
While some radioisotopes, such as strontium-90 (90 Sr) and technetium-99 (99 Tc), are only found on Earth as a result of human activity, and some, like potassium-40 (40 K), are only present due to natural processes, a few isotopes, such as tritium (3 H), result from both natural processes and human activities.
Human epidemiology data, including uncertainties in statistics limitations of epidemiology data; dosimetry of exposed cohorts; bias, including misclassification of cancer deaths, and; the transfer of risk across populations. The DDREF factor that is used to scale acute radiation exposure data to low-dose and dose-rate radiation exposures.
Retailers like Walmart and Target recently scaled back similar efforts focused on finding and funding more brands founded by people of color.