1. A(n) is an inherited feature that varies from individual to individual. 2. A(n) is one particular variation of a character. 3. Most human genes come in alternate versions called . 4. If an organism has two non-identical versions of a gene, the one that is expressed in the organism is called the allele. 5. If an organism has two non-identical versions of a gene, the one that is not expressed in the organism is called the allele. 6. The physical traits of an organism are called its . 7. The is the genetic makeup of an organism.

a polymer is a chainlike molecule made up of small molecular units. these small molecular units are called monomers. monomers of polymer can be joined together either naturally or synthetically.  

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

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