Assume that plants with red flowers crossed with plants with white flowers give rise to plants with pink flowers.You can eliminate the plants with red flowers by crossing -flowered plants for the first generation,and _-flowered plants for the second.

Question

Assume that plants with red flowers crossed with plants with white flowers give rise to plants with pink flowers.You can eliminate the plants with red flowers by crossing ________-flowered plants for the first generation,and _________-flowered plants for the second.