<span>b. Growth of a tumor
</span><span>The phenomenon of contact inhibition occurs when normal cells doesn's stop dividing when in collision with another cell which triggers cancerous cells.</span>
They'll have freckles because the dominant trait always overpowers the recessive trait if it's present.
Predators of moles include snakes, skunks, foxes, weasels, hawks, owls, and domestic cats and dogs.
<span>this is caused by a disease called basal cell carcinoma, because it causes ulcers and is slow to metastasize. Years of exposure to sunlight probably caused his cancer.</span>