Chiasma. The cross-shaped exchange configuration between non sister chromatids of homologous chromosomes that is visible during prophase I of meiosis. chiasma The site where the exchange of chromosome segments between homologous chromosomes takes place (crossing-over) (pl.: chiasmata). PICTURE
Vegan diets are based on grains and other seeds, legumes (particularly beans), fruits, vegetables, edible mushrooms, and nuts. Meat analogues (mock meats) based on soybeans (tofu), or wheat-based seitan/gluten, are a common source of plant protein, usually in the form of vegetarian sausage, mince, and veggie burgers.
Thereâs a lot of confusion about the difference between plant-based and vegan. Thereâs a couple key distinctions. Letâs start with the foodâ¦. A plant-based diet is one that is based on whole plant foods, including vegetables, fruits, whole grains, legumes, nuts and seeds. As the name implies, it is a diet with plant foods as the focus rather than a processed food or animal-based diet.