Trait inheritance and molecular inheritance mechanisms of genes are still a primary principle of genetics in the 21st century, but modern genetics has expanded beyond inheritance to studying the function and behavior of genes.he modern working definition of a gene is a portion (or sequence) of DNA that codes for a known cellular function or process (e.g. the function make melanin molecules). A single 'gene' is most similar to a single 'word' in the English language.
Hysteroscopy is a procedure which uses a thin tube-like telescope to see inside the womb (uterus). It can also allow doctors to do some minor operations Hysteroscopy is a procedure which uses a thin tube-like telescope to see inside the womb (uterus). It can also allow doctors to do some minor operations to the uterus. Note: the information below is a general guide only. The arrangements, and the way tests are performed, may vary between different hospitals.
A gastroscopy is a test where an operator-a doctor or nurse-looks into the upper part of your gut (the upper gastrointestinal tract). The upper gut consists of the gullet (oesophagus), the stomach and the first part of the gut (small intestine) known as the duodenum.The operator uses an endoscope to look inside your gut. Therefore, the test is sometimes called endoscopy.astroscopy is a test to look inside the gullet (oesophagus), the stomach and the first part of the gut (small intestine) known as the duodenum. Note: the information below is a general guide only. The arrangements, and the way tests are performed, may vary between different hospitals.