You are here : / / / 6 Reasons Why Your Gums are Bleeding. If you regularly see red when you brush your teeth, it could be cause for concern. Here's why your gums are bleeding ' and what to do about it. Jackie Middleton.
Between 1856 and 1863 Mendel cultivated and tested some 29,000 pea plants (Pisum sativum). This study showed that one in four pea plants had purebred recessive alleles, two out of four were hybrid and one out of four were purebred dominant.
Between 1866 and 1863, Mendel cultivated and tested some 28,000 pea plants. His experiments brought forward 2 generalizations which later became known as Mendel's Laws of Here â¦ dity. He continued to study genetics the rest of his life, 1870 or 70's, i think. Born 1822, as a child he worked as a gardener, and as a young man attended the Olmutz Philosophical Institute. In 1843 he entered an Augustinian monastery in Brunn, Czechoslovakia, and later sent to University of Vienna.