Aratio of 3: 1 in the phenotype of an organism occurs when
(a) the alleles are incompletely dominant.
(b) only recessive traits are involved.
(c) only dominant traits are involved.
(d) alleles segregate during meiosis.
(e) crossing over has occurred in anaphase ii.

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

What type of pollution does household garbage cause