In a Certain Species of Plant, Flowers Occur in Three

question 84

Multiple Choice

In a certain species of plant, flowers occur in three colors: blue, pink, and white. A pure-breeding pink plant is mated with a pure-breeding white plant. All of the F₁ are blue. When the blue F₁ plants are selfed, the F₂ plants occur in the ratio 9 blue : 3 pink : 4 white. The genotype that produces white is ww. The presence of one W allele allows pink or blue color to occur. The alleles at the hypostatic locus are B (blue) and b (pink) .
-What is the genotype of the pink parent?

• A) bb WW
• B) bb Ww
• C) Bb Ww
• D) Bb ww
• E) BB ww

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Definitions:

Reasoning

The process of forming conclusions, judgments, or inferences from facts or premises.

Frontal Lobes

The part of the brain located at the front of each cerebral hemisphere, responsible for decision-making, problem-solving, control of purposeful behaviors, consciousness, and emotions.

Dopamine Receptors

Proteins located on the surface of certain cells in the brain that bind dopamine and are involved in transmitting the dopamine signal.

Amygdala

A small, almond-shaped cluster of nuclei located deep within the temporal lobes of the brain, involved in processing emotions such as fear, anger, and pleasure.