Multicellular organisms undergo mitosis because
a. mitosis increases variation within an organism.
b. mitosis allows for reproduction with male and female gametes.
c. mitosis produces identical cells to the original dividing cell.

Which best describes how parents affect the genotype of a child? a. the parents decide what to feed their child b. the parents choose whether to educate their child c. the parents allow their child to stay up late d. the parents pass along genes to the child

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

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.