Ahomozygous variety of opium poppy (papaver somniferum laciniatum) with lacerate leaves was crossed with another homozygous variety with normal leaves. all the f1 had lacerate leaves (jagged-edged leaves). two f1 plants were crossed to produce the f2. of the f2, 249 had lacerate leaves and 16 had normal leaves. how are lacerate leaves determined in the opium poppy?

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell