2. Describe the main function of roots.

Roots are the important underground part of all vascular plants. The roots of a plant perform a range of services that are essential to the survival of any land plant; they absorb water and nutrients from the soil, help to anchor the plant to the ground and often store large quantities of food. Plant roots secrete or release exudates, volatiles, metabolically active root border cells and additional polymers into the surrounding soil.

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answer: c

explanation:

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.