A population has 1000 individuals. Over a period of 1 year, 300 new individuals are born. Which equation shows how to calculate the birthrate of
this population?
O A. 1000 = 300 = 3.33
B. 300 - 1000 = 0.3
O c. 1000 + 300 = 1300
O D. 1000 * 0.3 = 300
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The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

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