The correct option is D 1 and 3 only
Mendel is considered the 'father of genetics'. He laid the true scientific basis of patterns of inheritance and variations through his hybridisation experiments on pea plants.
Erich von Tschermak was one of the three people who rediscovered Mendel’s work independently.
Pea plants produce bisexual flowers which means that the flower has both male and female sex organs.
Mendel had selected 7 characters for his hybridisation experiments with each character showing two contrasting traits.
The characters and traits that he selected were:
CharacterTraitsIStem heightTall, dwarfIIFlower positionAxial, TerminalIIISeed shapeRound, wrinkledIVSeed colourYellow, greenVFlower colourViolet, whiteVIPod shapeInflated, constrictedVIIPod colourGreen, yellow