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Mastering Meiosis

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Questions and Answers

What are the two consecutive divisions in meiosis called?

Meiosis I and Meiosis II

What happens during interphase in meiosis?

The cell duplicates its DNA (chromosomes)

What is the longest and most complex phase of meiosis called?

Prophase I

What happens during the pachytene stage of prophase I?

Crossing over occurs between homologous chromosomes, leading to genetic recombination Signup and view all the answers

What happens during the diplotene stage of prophase I?

Chromosomes begin to separate, but they are still connected at points called chiasmata due to crossing over Signup and view all the answers

What are the stages of meiosis I and meiosis II?

Meiosis I and Meiosis II are the two consecutive divisions in meiosis. Signup and view all the answers

What happens during the leptotene stage of prophase I?

Chromosomes start to condense and become visible as long, thin threads. Signup and view all the answers

What is synapsis and when does it occur?

Synapsis is the process where chromosomes pair up during the zygotene stage of prophase I. Signup and view all the answers

What is crossing over and when does it occur?

Crossing over is the exchange of genetic material between homologous chromosomes and it occurs during the pachytene stage of prophase I. Signup and view all the answers

What happens during the diakinesis stage of prophase I?

Chromosomes continue to condense and prepare for the first division of meiosis. Signup and view all the answers