Answer:
crossing over
Explanation:
This occurs during prophase I and metaphase two of the cell cycle. Two homologous sister chromatids pair up and exchange DNA in order to increase genetic variation.
The animalia. plantae, and protista are all kingdoms. This will make the correct answer B.
Answer:The chemical or molecular formula for sucrose is C12H22O11, which means each molecule of sugar contains 12 carbon atoms, 22 hydrogen atoms and 11 oxygen atoms. The type of sugar called sucrose is also known as saccharose. It is a saccharide that is made in many different plants.