If an organism is heterozygous, the allele that will ALWAYS be expressed in the phenotype is the​

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

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?