In vitro clonal propagation in plants is characterised by
PCR and RAPD
Northern blotting
Electrophoresis and HPLC
Electrophoresis and HPLC
A.
PCR and RAPD
RAPD stand for Random Amplified Polymorphic DNA. It is a type of PCR reaction, but the segments of DNA that are amplified are random. Often, PCR is used to amplify a known DNA sequence.
Which of the following pairs is not correctly matched?
A flower of tomato plant following the process of sexual reproduction produces 240 viable seeds.
Answer the following questions giving reasons:
(a) What is the minimum number of pollen grains that must have been involved in the pollination of its pistil?
(b) What would have been the minimum number of ovules present in the ovary?
(c) How many megaspore mother cells were involved?
(d) What is the minimum number of microspore mother cells involved in the above case?
(e) How many male gametes were involved in this case?
Monoecious plant of Chara shows occurrence of
antheridiophore and archengoniophore on the same point
stamen and carpel on the same plant
upper antheridium and lower oogonium on the same plant
upper antheridium and lower oogonium on the same plant
Male gametes are flagellated in
Polysiphonia
Anabaena
Ectocarpus
Ectocarpus
