Biology Notes on Plastid Inheritance | Genetics

Plastids are cytoplasmic organelles which contain DNA and duplicate themselves independently of nuclear genes, and are distributed more or less equally to daughter cells during mitosis. While studying leaf pigmentation in Mirabilis jalapa (four O'clock plant), Correns (1909) found for the first time that plastids could be transmitted to the offspring through the egg cytoplasm. In a variegated strain of [...]