What is the difference between a theory that states that “all cells come from preexisting cells,” and the ‘theory’ that “little green men live in outer space? ”

Look at the punnett square for an x-linked recessive disease. is it possible for a female offspring to have the disease?

Microorganisms are involved in each of the following processes excepta. smog production.b. food production.c. infection.d. o2 production.e. decomposition of organic material.

What are the possible blood types among the children of parents that are ab and ii? oa) types a and b ob) types a, b, and ab c) types a, b, and o od) types a, b, ab, and o