Pollen from a Plant with the S1S2 Genotype Is Recognised

question 50

Multiple Choice

Pollen from a plant with the S1S2 genotype is recognised and allowed to germinate on the stigma of the same plant with the S1S2 genotype. According to this, the plant is ________.

• A) self-compatible and can self-pollinate
• B) self-compatible and must cross-pollinate
• C) self-incompatible and can self-pollinate
• D) self-incompatible and must cross-pollinate

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Definitions:

Carbon Stores

refer to reservoirs, both natural and artificial, that accumulate and hold carbon-containing chemical compounds for an indefinite period.

Overturn

The process of mixing in a stratified fluid, where warmer, less dense material moves upwards and cooler, denser material sinks.

Temperate Zone

A climate zone located between the tropic and polar regions of Earth, characterized by moderate temperatures.

Vertical Mixing

The process of mixing layers of water in oceans or lakes due to external forces like wind or temperature gradients, affecting nutrient distribution and temperature profiles.