Answer:
Water (H2O) can be called a molecule or a compound because it is made of hydrogen (H) and oxygen (O) atoms. There are two main types of chemical bonds that hold atoms together: covalent and ionic/electrovalent bonds. Atoms that share electrons in a chemical bond have covalent bonds.
Right upper is the location for the duodenum
Answer:
Genes are inherited together on the same chromosome.
Explanation:
An independent array of genes has to have different chromosomes or to be sufficiently far on the same chromosome to allow for crossing. The associated genes are in the same chromosome and have no overlap. Together they are transferred to the daughter cells.