Stem cells<span> are a class of undifferentiated </span>cells<span> that are able to differentiate into specialized </span>cell<span> types. Commonly, </span>stem cells<span> come from two main sources: Embryos formed during the blastocyst phase of embryological development (embryonic </span>stem cells<span>) and. Adult tissue (adult </span>stem cells<span>).
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Biological anthropologists view the evolution of humans as <u>both evolutionary history and their own individual stories</u>.
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Anthropology
The study of humanity and humans through developing an understanding of the cultural and biological evolution of humans in the past and the present. There are different fields in anthropology and they are:
- Biological anthropology
- Cultural anthropology
- Linguistic anthropology
- Archaeology
Biological anthropology
Biological anthropology involves the study of humans and non-human primates and their evolution through the study of fossil records and present-day primates. It also tries to understand how humans have adapted to varying environmental conditions and stresses. The application of biological anthropology includes:
- Understanding of interactions between humans and their environment.
- Understanding body proportions and using them for bringing improvements in various fields.
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The number of chromosomes in a female
scorpion’s egg cells have half as many chromosomes as compared in her body
cells. Chromosome is a single long molecule of DNA wound around proteins called
histones. It is
made up of DNA wrapped around proteins.
The genetic code dictates which proteins the cell manufactures. Proteins are strands of amino acids. The sequence of nucleotides in DNA genes determines the order of amino acids in a protein. This is the direct connection between your genes and your traits.
