If you have an experiment in which there are 4 different groups, and the same variable is manipulated in all of them, is there a control group?

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion

One reason scientists are trying to develop fuel sources from corn and sugar is because these sources are renewable fossil fuels are being depleted these crops can be widely grown all of the above