The best-characterized examples of multiple alleles in humans is the ABO blood groups, discussed in the Non-Mendelian inheritance concepts. Other human traits determined by multiple alleles would be hair color, hair texture, eye color, built, physical structure, etc.
The tap root is advantageous to a plant in long periods of drought because it has a large storage of water and nutrients.
It is the largest and the most dominant root part in plants, which are sometimes thick, and grows straight downward.
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Answer:

Plasmodesmata play roles in both cellular communication and in molecule translocation. Plant cells must work together as part of a multicellular organism (the plant); in other words, the individual cells must work to benefit the common good. Therefore, communication between cells is crucial for plant survival.
Answer:
Water is accommodated a wetland straightforwardly when precipitation falls on the wetland or by implication when precipitation falls outside the wetland and is shipped to the wetland by surface-or ground-water stream. For instance, snow that falls on wetland bowls gives surface-water stream to wetlands during spring snowmelt.