What can you conclude about the relationship between the birth and death rates in Africa?
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The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

How and why organisms are hierarchically classifies

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals