How did the allies manage to turn the tide against the Germans in Europe?

At first German were winning against the allies  

Explanation: The following shows how: Battle against U-boats in Atlantic, Soviets turn back Nazis at Stalingrad, -Allies drive Germans out of North America, -Allies invade Italy, British and American bombers battle Germany, -Casa Blanca conference Hope This Helped!

after making a punnet square using bv bv bv bv you will find that the ratio will be 9: 7 or a 128.6% probability.

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meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse