Tongue rolling is a dominant to non-tongue rolling in humans. A tongue rolling woman whose father could not roll her tongue and whose mother could roll her tongue marries a tongue rolling man whose parents are also tongue rollers. They have a son who cannot roll his tongue. Please draw a pedigree showing all four grandparents, the two parents, and the son. Indicate which individuals you are certain of their genotype and where there is more than one possibility.

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

Why does sexual reproduction result in more genetic variation in a species