What is a Homologous chromosome? a Homologous chromosomes contain enzymes that codes for the same genes. b Homologous chromosomes contain RNA that codes for the same genes. c Homologous chromosomes contain DNA that codes for the same genes. d Homologous chromosomes contain spiked proteins that codes for the same genes.

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the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

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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.