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.
Why It Is Done. A hysteroscopy may be done to: 1  Find the cause of severe cramping or abnormal bleeding. 2  Your doctor can pass heated tools through the hysteroscope to stop the bleeding. 3  See whether a problem in the shape or size of the uterus or if scar tissue in the uterus is the cause of infertility.t also may be done to see if a problem in your uterus is preventing you from becoming pregnant (infertility). A hysteroscopy can be used to remove growths in the uterus, such as fibroids or polyps. Your doctor may take a small sample of tissue (biopsy).