Pollen from a plant with the S₁ S₂ genotype is recognized and allowed to germinate on the stigma of the same plant with the S₁ S₂ 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

The type of variant present at a specific locus (i.e., location) in the genome is scored by what is known as a genotype. Symbols can be used to represent it. For illustration, BB, Bb, and bb could be used to denote a specific gene variant. The actual DNA sequence, such as CC, CT, or TT, can also serve as a representation of a genotype. In a single experiment, the genotypes at millions of locations in a genome can be determined using DNA sequencing and other techniques. Some genotypes influence an individual's phenotype or observable traits.

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