What happens during prophase 1 and metaphase 1 and how do these phases play an important role in the genetic diversity of the daughter cells produced?

During prophase 1, Chromosomes become visible and crossing-over start occurring. Another thing that happens is the disappearance of the nucleolus and the disappearance of the nuclear envelope. The meiotic spindle then forms.

“During metaphase 1, the pairs of chromosomes (bivalents) become arranged on the metaphase plate and are attached to the now fully formed meiotic spindle. The centrioles are at opposite poles of the cell.”

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

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