Sickle-cell disease is common in tropical and sub-tropical regions because being a carrier, carrying a single sickle-cell mutation (sickle cell trait), affords some resistance to malaria.
Answer:
True
Explanation:
I will give an example. Two plants cross breeds. A pink flower and a red flower. The red flower has a gene for red color and the pink has a gene for pink color. Mix the two together and you have an offspring with two different genes, or alleles, that are either going to be mixed or the plant will be one or the other color.
Answer: Ethylene Gas
Explanation: Ethylene Gas Can be Used to Regulate Fruit Ripening Ethylene is a gas and is known as the “fruit-ripening hormone.”
Explanation:
They would react the same as with the vinegar and hydrogen peroxide at room temperature. They would react the same as with just the hydrogen peroxide.
