dorafacegirl
29.08.2019 •
Biology
What is allelic exclusion and why is it important?
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Ответ:
Allelic exclusion is defined as a process in which only one allelic gene is expressed and other allele remains silenced.
Allelic exclusion plays important role for cell surface receptors in genes and in immune cells like B lymphocytes. The allelic exclusion controls binding site of B cells and allows only one type of binding site expressed in each B cell as binding site of an antibody is decided by the combination of a particular heavy and light chain.
Ответ:
Most invertebrates that reside in salt water (for instance, sea stars) allow the solute concentration of their body fluids to mirror that of their surroundings. Such a regulation strategy is found among the OSMOCONFORMERS. Literally, osmocomformers conform to the solute concentration of their environment.