Number of chromosomes in the meiocyte of onion, potato, housefly, humans and Ophioglossum, respectively, are

Options

A. 32, 24, 12, 46, 1260
B. 16, 12, 6, 23, 630
C. 16,48, 12, 46, 1260
D. 32, 48, 12, 46, 1260

Answer

C

Explanation

• Grafting: In this technique, a root system and a shoot system of two different plants are connected and later they develop a composite plant.
• Grafting is only possible in cambium containing woody plants. Grafting is not possible in monocots as they lack cambium.
• For union between scion and stock in grafting, firstly formation of callus takes place.
• Shoot system is called graft or scion while root system is called stock. E.g.: Mango, Guava, Apple, Rose, - Peach, Pear, Plum