Variation in organisms arises from both genetic and environmental factors, such as skin color depending on sun exposure.
Organimizmlardagi ko'p xilma-xillik genetik va atrof-muhit omillari bilan bog'liq, masalan, teri rangi quyosh nuriga bog'liq.
| Front | enviro and genetic causes of variation 4.2.2(f) |
|---|---|
| Back | enviro and genetic causes - most variation caused by both - skin colour depends on how much melanin is in skin, mpre there is, darker the skin, when exposed to sun, more produced to protect from UV - chance (many gametes produced, so down to chance which 2 combine) |
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