Answer:
send me the link to that website and ill research it for you
Explanation:
1. Testing only one variable
A controlled variable means its the one that stays the same. In a controlled experiment, it means there is only one manipulated, (changed) variable.
Because their foots is shaped like a spade
Answer:
<h2>an organism in which both copies of a given gene have the same allel is homozygous. </h2>
