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Nookie1986 [14]
3 years ago
15

How does the work of scientists lead to knowlage

Biology
1 answer:
jolli1 [7]3 years ago
8 0

Scientists carry out several researches to understand the cause and reason behind the natural phenomena happening around us. While carrying out an experiment, the scientist need to refer to various research papers and research articles to plan and follow the protocol of the experiment accordingly.

Going through the background studies lead to greater insight and knowledge about the subject. It broadens our mind and way of thinking. It makes us more logical and precise towards our work.

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3 years ago
What is crossing over in meiosis and how does it ensure genetic diversity?
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When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. ... It is obviously another source of genetic variation in offspring.

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B because the diffusion gradient is steeper there

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