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The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Polar zones are cold and tend to be dry because of a pressure system of cold. low high