Genetics is the study of patterns of inheritance and dates back to Mendel. http://en.wikipedia.org/wiki/Gregor_Mendel
Molecular genetics is DNA/RNA etc..
An abnormal chromosome analysis report will include the total number of chromosomes and will identify the abnormality found. Tests for gene mutations will report the mutations found.
The English term 'molecular genetics' means the branch of genetics concerned with the structure and activity of genetic material at the molecular level