What is the ending chromosome number for this cell? Why did the chromosome numbe

Question

What is the ending chromosome number for this cell? Why did the chromosome number change? What does crossing over do to the genetic material in the cell? You randomly sorted the chromosomes onto the metaphase plate in metaphase one. Could you have sorted the chromosomes differently and ended up with different ending products? YES/NO Genetic variation occurs in meiosis due to crossing over, independent assortment of chromosomes at the metaphase plate and random fertilization events. Why is genetic variation important in populations?

Explanation / Answer

For 17 and 18, diagram of cells mentioning initial chromosome number is not given

19. Crossing over causes exchange for genetic material between homologous chromosomes and brings new combination of genes. This new combination causes genetic variations which is an important feature of sexual reproduction.

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