- 行业: Education
- Number of terms: 12355
- Number of blossaries: 0
- Company Profile:
Founded in 1946, Palomar College is a public two-year community college in the city of San Marcos, located in north San Diego County, California. Palomar offers over 300 associate degree, certificate programs and is designated by the U.S. Department of Education as an Hispanic-Serving Institution ...
The situation in which two different alleles for a trait are expressed unblended in the phenotype of heterozygous individuals. Neither allele is dominant or recessive, so that both appear in the phenotype or influence it. Type AB blood is an example. Such traits are said to be codominant.
Industry:Anthropology
The sixth geological epoch of the Cenozoic Era. The Pleistocene occurred approximately 1. 81 million to 10,000 years ago. This was mostly a time of world cooling punctuated by 3-4 major ice ages. Most human evolution took place during the Pleistocene.
Industry:Anthropology
Относительно крупных красных клеток в крови, транспорт кислорода из легких ко всем живых тканей тела. Как правило 40-45% объема крови человека состоит из эритроцитов.
Industry:Anthropology
Обозначение видов уделено Neandertals исследователями, которые считают, что эти древние люди были достаточно разные, от Homo sapiens, чтобы назначить их отдельных видов.
Industry:Anthropology
The stage of maturation in which animals are beyond infancy and early childhood but are not yet fully grown.
Industry:Anthropology
Первый этап созревания личности, когда начинают развиваться вторичные половые признаки и половое размножение становится возможным. Эти изменения являются генетически контролируемые и вызваны гормонами.
Industry:Anthropology
They exist in variable numbers and types but make up a very small part of human blood volume. Some leukocytes (i. E. , lymphocytes) provide a physiological defense against infection. As a result, their numbers increase when the body is under attack by bacteria and viruses. Some other types of leukocytes (i. E. , macrophages ) have the function of getting rid of old unneeded blood cells.
Industry:Anthropology
The study of annual growth-rings of trees, usually for the purpose of chronometric dating logs found in association with relatively recent archaeological sites. Tree-ring sequences also are used as records of cycles in local climates.
Industry:Anthropology
