The traditional focuses of sociology include social stratification, social class, social mobility, religion, secularization, law, sexuality and deviance.
These were called calceus mulleus, and the name may have been shortened to mules by English speakers. Hence the primary difference between mules and clogs in early days was that clogs were likely to be worn by working people, and mules were fancier and favored by the aristocracy.
The mule is a hybrid cross between a male donkey (jack) and a female horse (mare). Because the mule most often demonstrates the best traits from each parent, he possesses what we call hybrid vigor. horse has 64 chromosomes, and a donkey has 62. The mule ends up with 63. Mules can be either male or female, but, because of the odd number of chromosomes, they canât reproduce. However, a male mule should be gelded in order to make him a safe and sociable animal.