It is important that a gamete or sex cells have exactly only one set of chromosome because during sexual reproduction two sex cells of the parents will form the zygote and it will have 2n or diploid number of chromosomes. It is from this zygote somatic cells are formed.
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The sun is important for many reasons. Even though its far away, it keeps us warm, and gives us light. Plants also need the light to survive, and we need plants to breathe and to eat. We also need the sun because it makes sure the earth goes were its supposed to in space
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