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37 votes
What do you think? How is it possible for hereditary information to be copied in such away that the characteristics of a species are passed from one generation to the next, yetthere are still individual differences within the species? In your answer, state how youthink this is possible.

User Griff
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1 Answer

19 votes
19 votes

During meiosis, the process that produces gametes, in the Phophase I, the homologous chromosomes exchange genetic information through crossing over. This means that the altough the cromosomes carry the genetic information of the parents, after the genetic recombination, the homologous chromosomes are different from the chromosomes of the rest of the cells of the parent's body.

After meio

User Ben Zotto
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