Which of the following soils has the roughest texture potting soil silt clay sand

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what

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