During meiosis I: A. chromosomes undergo equational division B. sister chromatids are separated C. recombination occurs...
During meiosis I:
A. chromosomes undergo equational division
B. sister chromatids are separated
C. recombination occurs during anaphase I
D. bivalents are formed during prophase I and are taken apart during anaphase I
Homework Answers
Answer: Option D is correct
Explanation: Bivalents are formed during the Zygotene stage of Meiosis I.Here in this stage homologous pairing takes place to form a structure known as Divalent or Bivalent formation.
Now by crossing the different stages of Meiosis I as Prophase I(Leptotene ,Zygotene, Pachytene,Diplotene and Diakinesis) the chromosome undergo the next stage as Metaphase I ,Anaphase I and then towards Telophase I. In the stage of Anaphase I chromosome movement takes place towards the opposite poles(which contain the two arms(chromatin) as well as exchanged genetic material hich is obtained from Pachytene stage. Here in the anaphase I there is no spliting of centromere so there is also no internodal fiber formation takes place.
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During meiosis I:
A. chromosomes undergo equational division
B. sister chromatids are separated
C. recombination occurs...
During recombination: a.) sister chromatids undergo crossing-over with each other. b.) the synaptonemal complex keeps the...
During recombination: a.) sister chromatids undergo crossing-over with each other. b.) the synaptonemal complex keeps the sister chromatids together until anaphase II. c.) one crossover event occurs for each pair of human chromosomes. d.) chiasmata hold chromosomes together
5. Which of the following is true about meiosis? A. Sister chromatids are pulled apart during...
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