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IRINA_888 [86]
3 years ago
12

Blue poppies native to China were grown at a plant-breeding center in California. The plants with the thickest leaves were most

likely to survive and reproduce in the drier climate. After several generations, the percentage of thick-leaved plants had increased by 42%. This adaptation of the poppies to their new environment is due to _____. 1) genetic drift 2) neutral variation 3) disruptive selection 4) directional selection 5) stabilizing selection
Biology
1 answer:
DIA [1.3K]3 years ago
8 0

Answer:

Directional selection

Explanation:

Directional selection is a type of natural selection that favors one extreme phenotype of a genetic trait due to its survival and reproductive advantage to the individuals over another extreme phenotype and the intermediate phenotype.

In the given example, the thick-leaved plants are better adapted to a drier climate due to reduced water loss. Directional selection favored the plants with thick leaves which in turn produced more progeny. Over the generations, the population evolved into the one having more number of thick-leaved plants.

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