Which statement best explains how new dog breeds come into existence?
Select one:
1.Wolf genes are introduced into dog cells.
2.Cells from certain dogs are cloned in a laboratory and then fused.
3.Humans develop mating programs that select for certain traits.
4.Dogs with the preferred traits are cloned.

The symptoms that shelly is experiencing result from the interactions between streptococcus pyogenes (a prokaryote) and the cells (eukaryotes) within shelley's body. although there are similarities between these two types of cells, there are also important differences.

Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?