Show the sequential stage of dicotyledonous embryo
Answers
ANSWER.........
¤¤ Embryo develops at the micropylar end of the embryo sac where the zygote is situated .
¤¤ Most zygote divides only after the formation of certain amount of endosperm. This is an adaptation to provide nutrition to the developing embryo .
¤¤ Through the seeds differ greatly, the embryogeny (early embryonic development) is similar in monocotyledons & dicotyledons .
¤¤ The zygote gives rises to the proembryo and subsequently to the globular , heart-shaped and mature embryo.
☆☆ DICOTYLEDONOUS EMBRYO ☆☆
▪ It has an embryonal axis and 2 cotyledons. The portion of embryonal axis above the level of cotyledons is the epicotyl, which terminates with the plumule (stem tip ). The cylindrical portion below the level of cotyledons is hypocotyl that terminates with the radicle ( root tip ). The root tip is covered with a root cap.