Polyploidy is a condition in which organisms have extra sets of chromosomes. Scientists have observed many examples of polyploidy in plants, including crop plants such as bananas, limes, and strawberries. What best describes polyploidy in these plants?

A chromosomal mutation that may provide benefits to the organism.

Explanation:

Polyploidy: It is defined as the condition in which organisms have extra sets of chromosomes. It is also called as the polyploid organism that contains more than 2 sets of the chromosome number in an organism.

It occurs due to the result of abnormal cell division and the nondisjunction mutation of chromosomes during the process of cell division such as mitosis or meiosis. Polyploidy state is most usual in plant species to compare animal species.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.