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December 21, 2014

December 21, 2014

Posted by **Axel** on Friday, September 24, 2010 at 1:10am.

PsyDAG replied: Since 4 of the 8 are paternal,

4/8 * 3/7 * 2/6 * 1/5 = ?

My question: can you explain how he/she got these numbers?

- Science -
**PsyDAG**, Friday, September 24, 2010 at 3:28amI assume that, if 2n = 8, there are 4 paternal and 4 maternal chromosomes.

The first paternal chromosome will be 4/8, and without replacement, the second will be 3/7, the third, 2/6 and the fourth, 1/5.

The second is 3/7, because only 3 paternal chromosomes are left of the remaining 7.

The progression continues.

I hope this helps you understand the process.

- Science -
**Axel**, Friday, September 24, 2010 at 12:40pmThank you very much, I dont remember learning it like this but this certainly does help alot and this makes it easier to understand. Once again, thank you

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