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What is the process of paternal sister chromatids seek out the sister maternal chromatids?

A) Synapsis
B) Centromere separation
C) Meiotic division
D) Homologous recombination

1 Answer

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Final answer:

The interaction between paternal and maternal sister chromatids during meiosis happens through synapsis and homologous recombination, occurring in prophase I. The correct answer to the student's question is A) Synapsis.

Step-by-step explanation:

The process described in the student's question refers to the pairing and exchange of genetic material between paternal and maternal chromosomes during meiosis, specifically in prophase I. This is achieved through a process known as synapsis, followed by homologous recombination or crossing over. During synapsis, homologous chromosomes come together with the help of a protein structure called the synaptonemal complex. The exchange of genetic material occurs at points known as chiasmata, facilitated by structures termed recombination nodules. This genetic exchange results in new combinations of maternal and paternal DNA, thereby creating genetic diversity.

It is essential to note that the separation of sister chromatids occurs later in the process, during meiosis II, not during the initial synapsis and homologous recombination in prophase I. The correct answer to the student's question about the process when sister chromatids seek out the sister maternal chromatids is A) Synapsis.

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