Variegated four o'clock leaves have white patches among the green areas due to
A)an mtDNA mutation, which blocks electron transport.
B)a cpDNA mutation, which incapacitates proteins essential for photosynthesis.
C)a nuclear DNA mutation, which leads to mosaicism.
D)both cpDNA mutation which incapacitates proteins essential for photosynthesis and nuclear DNA mutation, which leads to mosaicism.

Question

Quizplus · Accepted Answer

The white patches in variegated four o'clock leaves are due to a cpDNA mutation that affects chloroplast function, impairing photosynthesis and resulting in the lack of green pigment in those areas.

Variegated Four O'clock Leaves Have White Patches Among the Green