FORESTRY
GENETICS TREE IMPROVEMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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During prophase I, homologous chromosomes pair up and exchange DNA segments, causing different combinations of alleles.
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During prophase I, there is independent assortment of homologous chromosomes, creating a variety of genetic outcomes.
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During prophase II, each pair of chromatids lines up in the middle of the cell, allowing for the exchange of DNA before the chromatids split and move to either side of the cell.
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During prophase Ii, fragments of DNA spontaneously separate from certain chromosomes and attach themselves to the end of other chromosomes, producing new genetic sequences.
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Detailed explanation-1: -Answer and Explanation: The correct answer to the above question is: B. Chromatids of homologous chromosomes exchange corresponding segments.
Detailed explanation-2: -16.17 Which of the following best describes how the process of crossing over during meiosis leads to an increase in genetic diversity? A. During prophase I, DNA replication takes place, and homologous chromosomes trade places with each other before lining up in preparation for metaphase.
Detailed explanation-3: -Crossing over refers to the exchange of genetic material or chromosome segments between non-sister chromatids in meiosis. This genetic process occurs between homologous regions of matching chromosomes and the interchange of homologous chromosomes.