Crossing over, or recombination, is the exchange of chromosome segments between nonsister chromatids in meiosis. Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.
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Salutations!
The two biomes that are the most similar with regard to rainfall is desert and tundra. Tundra is the coldest biome, its tree less with very little nutrients, precipitation and seasons often remain the same. Desert is very hot in the day, but very cold at night, it receives less rainfall and has very strong winds.
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An animal cell has a nucleus but no cell wall.
They are all eukaryotic, I hope this was the answer you were looking for :D
<span>A gamete needs only half the number of chromosomes because two gametes join together hope his helps you
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