The Female Reproductive System
The female reproductive system is involved in sexuality and fertility. It includes the vagina, womb (uterus), fallopian tubes, ovaries, and breasts. The mammary glands are accessory organs of the female reproductive system that are located in the breasts and specialized to secrete milk following pregnancy. Almost all instances of breast cancer originate in the lobules or ducts of the mammary glands. Breast cancer is the most prevalent cancer among women and affects approximately one million women worldwide. Below we will…...
Reproductive Isolating Mechanisms
In the 1940s, Ernst Mayr created the term Biological Types Idea that was subsequently extensively welcomed by the scientific community. The definition mentioned that "Species are groups of in fact or potentially interbreeding natural populations that are reproductively separated from other such groups". Specific mechanisms remain in place to avoid species from interbreeding with others and these are described as reproductive separating systems, which are biological incompatibilities. There are many mechanisms acting on natural populations and these are broadly grouped…...