Barr body-The condensed, single X-chromosome, appearing as a densely staining mass, that is found in the nuclei of somatic cells of female mammals. It is named after its discoverer, Murray Barr, and is derived from one of the two X-chromosomes which becomes inactivated.
In 2011, the biggest employers of curators were museums and similar institutions, which hired 5,680 of the total 10,340 professionals at average salaries of $51,010 per year, or $24.52 per hour. The highest wages were in grant-making and giving services at a mean $91,270 yearly, or $43.88 hourly.
Zoo keeper positions are not noted for being particularly high paying opportunities, but they are still hard to come by since career seekers are attracted to the hands on interaction with exotic animals. Most keeper positions pay between $20,000 and $30,000 per year.ubspecialties in the field of zoology include mammalogy (mammals), herpetology (reptiles), ichthyology (fish), and ornithology (birds). Zoologists generally earn between $60,000 and $70,000 per year, depending on their level of education and the nature of their work.