Tay-Sachs is a single gene recessive allele. The disease always kills its victims before they can reproduce (and potentially pass on the defective allele). If every Tay-Sachs child dies before their 5th birthday, how does the defective allele get passed on to other babies?

What do scientists need to look at before developing an argument

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

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