The word allele is a short form of allelomorph (other form, a word coined by William Bateson and Edith Rebecca Saunders), which was used in the early days of genetics to describe variant forms of a gene detected as different phenotypes.
Causes. Male sexual arousal is a complex process that involves the brain, hormones, emotions, nerves, muscles and blood vessels. Erectile dysfunction can result from a problem with any of these. Likewise, stress and mental health concerns can cause or worsen erectile dysfunction.Sometimes a combination of physical and psychological issues causes erectile dysfunction.For instance, a minor physical condition that slows your sexual response might cause anxiety about maintaining an erection.rectile dysfunction can result from a problem with any of these. Likewise, stress and mental health concerns can cause or worsen erectile dysfunction. Sometimes a combination of physical and psychological issues causes erectile dysfunction.
best answer no excessive masturbation does not cause erectile dysfunction but it might cause other problems psychological for example the softness you experience is due to your body relaxing after orgasmt s a common type of male sexual dysfunction male sexual arousal is a complex process that involves the brain hormones emotions nerves muscles and blood vessels erectile dysfunction can result from a problem with any of these likewise stress and mental health problems can cause or worsen erectile dysfunction