In mice, black fur is dominant to white fur. Two mice with black fur are placed in the same cage and have several litters. Of all the offspring, 7 mice have white fur and 19 mice have black fur. Which of the following crosses could produce this combination?
a. BB x bb
b. Bb x bb
c. Bb x Bb
d. bb x bb
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Ответ:
D)it creates lower temperatures than nuclear fission reactions