Meiosis I Prophase I: - nuclear membrane dissolves * centrioles move to poles * spindle fibres forming * DNA has been replicated and forms chromosomes made of 2 identical chromatids * Homologous chromosomes line up to form a bivalent‚ 2 chromosomes or 4 chromatids (TETRAD)‚ this process is called SYNAPSIS * Where chromatids overlap is called a CHIASMATA‚ and it allows for CROSSING OVER of genetic information between chromosomes Metaphase I: - homologous chromosomes
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Crime in America has been on the decline since 1992 when crime was at an all time high. There was gun a gun control law and an increase in incarceration‚ giving people way longer sentences for small offenses. The gun control law made it harder for people to get their hands on weapons and the increase of incarceration made people scared to commit crimes cause the fear of getting harsh sentences. Also there was a boom in the economy that help also. With P. Bill Clinton passing the Omnibus Budget Reconciliation
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have been in decline since the 1990s and there are several reasons for that. Some people think that the bees aren’t that important and that we will be fine without them. It’s said that this is just a myth that we need them‚ but there are facts surrounding why that is not true and why this is a huge world issue that needs to be addressed. My Side Climate change has a part to play in the decline. When the temperatures change‚ they kill the bees and even wipe out colonies. The decline effects our diets
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After the collapse of Rome‚ Western Europe began to experience social‚ economic‚ and political decline. From about 500 to 1000‚ it was politically divided‚ rural‚ and essentially cut off from advanced civilizations in the Middle East‚ China‚ and India. Many different invaders swept across the region‚ trade slowed significantly‚ towns emptied‚ and classical learning was practically nonexistent. For these reasons‚ this period in Europe has sometimes been called the Dark Ages. Today‚ this time period
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Next‚ large impersonal factors contributed to the decline of the civilizations. In China‚ borderland nomads invaded and took over. In Rome‚ Germanic people conquered the western part of the empire. This happened because the nomads were pressured by other nomadic tribes like the Huns. Also‚ nomads were looking for places for their animals to graze. Another factor that led to decline was the epidemics. In China‚ the plagues may have killed half the population. In
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The Decline Of the United States as the Worlds Only Super Power The United States has experienced a steady decline as the world’s only super power‚ and this steady decline will continue until the United States is no longer the world’s hegemonic state. There are a number of factors that directly influence this decrease in power from the United States on the world stage including: a struggle to sustain economic hegemony
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most parts of Europe for over seven centuries‚ however it reached it’s zenith during eleventh to thirteen century….. Though many of its institutions were survived till the end of the eighteenth century. There were several factors which led to the decline of feudal system. The holy roman empire ‚ which came into existence during this period represented a force which kept in chek the evil tendencies of the german feudalism. The Papacy rendered valuable services in fighting against
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The Decline of Literacy and Education in America Attention Getter: One of the major problems in America today is the decline of literacy and education. A recent study found that only 50% of high school students in major cities graduate. A 2007 study by the National Endowment for the Arts proved that Americans read less and not as well as previous generations. Americans teenagers are ranked behind countries such as Poland‚ Korea‚ France and Canada in reading. Many educators believe illiteracy
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language acquisition; social‚ personality‚ and emotional development; and self-concept and identity formation. Developmental psychology includes issues such as the extent to which development occurs through the gradual accumulation of knowledge versus stage-like development‚ or the extent to which children are born with innate mental structures‚ versus learning through experience. Many researchers are interested in the interaction between personal characteristics‚ the individual’s behavior‚ and environmental
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Response: Is America in Moral Decline? Response to “Is America in Moral Decline” by Bill Bennett Yes‚ and at the same time a very resounding no. Bill Bennett attempts to make the point that America is worse off now than it was in decades past by showing statistics of single motherhood‚ children on welfare‚ average daily television viewing‚ and other “moral barometers”. What he fails to mention is that statistics gathering has become far more accurate in recent years. It’s becoming increasingly
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