22- For the independent assortment, it only occurs at: A....

Transcript

0:00 Hi everyone.

00:01 So in the first part of this question, we need to find out that which event is going to occur in the prophase 1 and not in the pro phase 2.

00:10 Okay.

00:11 So this prophase 1, it is a part of which process.

00:14 So it is a part of the mucis 1.

00:17 And this proface 1 is composed of several phases.

00:21 And those phases are, so the first phase is the leptutene.

00:24 So the first phase is the leptotene.

00:27 The second one is the zygotene so second one is zygotein the third one is packeteen so we can write here the third one is the packatin in which the crossing over is going to occur and the fourth one is diplotene so fourth one is diplotene so fifth one is the dikinesis all right so first is the leptotine second one is the zygotene third is the peccinesis and fourth is diplotene and the fifth one is the dichinysis okay so now coming on to the first option so the first option says that chromosomes move to the middle of the cell so that is totally wrong because we know that chromosomes move to the middle of the cell in the metaphase stage and not in the pro phase stage so that's why we can exclude this statement so the second statement is the spindle formation occurs so this is also not the correct statement the third is the chromosomes are duplicated like chromosome duplication so that is going to happen in the s space and not in the prophase so this statement is also incorrect now talking about the third state fourth statement so fourth statement is about the crossing over so this statement is the correct statement because we know one thing that crossing over is the event and that is going to occur in packeting stage of prophase 1 of meiosis 1 okay so crossing over and the exchange of the genetic material is going to occur in which stage so it is going to happen in the packeting stage of the prophes 1 of the mucis 1 okay so that is how it is different from the mucis 2 all right so now talking about the second question so the second question is about the metaphase 1 so the second question is about the metaphase 1 so talking about the first statement first so that is crossing over occurs so crossing over does occur in the packet in state of the pro phase 1 and not in the metaphase state...

Question

22- For the independent assortment, it only occurs at: A. Prophase I B. Prometaphase I C. Metaphase I & II D. Metaphase I

Question

22- For the independent assortment, it only occurs at: A. Prophase I B. Prometaphase I C. Metaphase I & II D. Metaphase I

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