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A part of the article. Variations in ourself is given below: The features seen in offspring that are different form their parents are called variations. Certain processes taking place in the initial phase of meiosis are responsible for such variations.a) Which process, as mentioned in the article, is responsible for variations?b) How does this process bring about variations? |
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Answer» a) Crossing over of chromosomes b) 1. Part of a DNA crosses over to become the part of another DNA. 2. This causes difference in the distributions of genes 3. When these chromosomes are transferred to the next generation, new characters are expressed. |
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