What are four characteristics of the universal common ancestor

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

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front