The diagram below shows a process that affects chromosomes during meiosis.
This process can be used to explain
why some offspring are genetically identical to their parents
the origin of new combinations of traits in offspring
the process of differentiation in offspring
why some offspring physically resemble their parents

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.

not sure if this is what you'r looking for nnew= nold