hemistry is the "scientific study of matter, its properties, and interactions with other matter and with energy". ... It is an experimental science in which theories are developed and tested against observations. The goals of physics include explaining and predicting how the universe works. Biology is the study of life.
You can not worry about being shocked due to the cord being insulated not allowing the voltage to go through you but the cord
Well my family has a genetic condition but i wouldnt want to know about my chances of catching it. I would rather remain blind to how long and enjoy how long my life lasts. I wouldnt want to know because then I would feel like I have a time limit. By not knowing I can enjoy every breath i take. Also by not knowing I wont have to worry my kids about me. Like last time I had a cold they called a doctor and scheduled an appointment just for a few sneezes and coughs. Also if I told my kids then they would feel like they have a time limit on their lives to. I am just going to live my life to the best. Plus if anything does happen to me I am only like two minutes away from a hospital.
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i think Mammalian cells
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If am wrong than i am sorry
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crossing over, process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. Crossing over occurs in the first division of meiosis . At that stage each chromosome has replicated into two strands called sister chromatids. The two homologous chromosomes of a pair synapse, or come together. While the chromosomes are synapsed, breaks occur at corresponding points in two of the non-sister chromatids, i.e., in one chromatid of each chromosome. Since the chromosomes are homologous, breaks at corresponding points mean that the segments that are broken off contain corresponding genes , i.e., alleles. The broken sections are then exchanged between the chromosomes to form complete new units, and each new recombined chromosome of the pair can go to a different daughter sex cell. Crossing over results in recombination of genes found on the same chromosome, called linked genes, that would otherwise always be transmitted together. Because the frequency of crossing over between any two linked genes is proportional to the chromosomal distance between them, crossing over frequencies are used to construct genetic, or linkage, maps of genes on chromosomes. Mutations , temperature changes, and radiation all affect crossing over frequency. Under the microscope, a crossover has the appearance of an X and is called a chiasma.
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