Epithelial tissue forms a barrier between the body and the external environment and plays important roles in protection, filtration, absorption, excretion, and sensation. The rapid regeneration of epithelial cells is important to their protective function.
Hypothesis
Because a hypothesis is an educated guess/ what you think or want to explain what may happen
If an individual were heterogeneous then there would be a 50/50 chance of being either dominant or recessive. I hope this helps. :)
The cell membrane.
Hope it helps!
