Refer to the Figure

question 237

Essay

Refer to the figure. The figure shows the Dobzhansky-Muller model of the evolution of reproductive isolation.The F₁ hybrids between the species at the end of this process have reduced fitness.Does the genotype AaBB have reduced fitness? Explain.

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Definitions:

Chromoplasts

Plant cell organelles that contain pigments and are responsible for the colors of fruits and flowers.

Pigments

Substances that give color to materials by absorbing certain wavelengths of light and reflecting others, widely used in paints, inks, and biological functions.

Motor Proteins

Proteins that convert chemical energy into mechanical work, driving cellular movements such as muscle contraction and intracellular cargo transport.