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NEET Class neet Answered

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Asked by Shanaya | 10 Jul, 2020, 02:01: PM
answered-by-expert Expert Answer
Let us assume that the number of chromosome tetrads of chromosomes with gene loci containing A and B be to be 100.
This implies that there are 100 cells that are in the process of undergoing meiosis at a time.
As 20 % of the tetrads at the time of meiosis form chiasma which means 20 out of the 100 chromosome tetrads shall undergo recombination.
These 20 recombinant tetrads will be divided into 40 cells as dyads during cytokinesis.
Thus, overall 40 gametes are produced with Ab combination of genes and formation of 40 gametes will take place with the AB combination of genes.
Thus, a total of 40 gametes will be formed with Ab combination of genes and 40  gametes will be formed with AB combination of genes.
Answered by Sheetal Kolte | 10 Jul, 2020, 07:17: PM
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Asked by Shanaya | 10 Jul, 2020, 02:01: PM
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