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From the data provided in the previous question, calculate the map distance between the gene and...

From the data provided in the previous question, calculate the map distance between the gene and the centromere.

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Hint 1. How to calculate the distance in map unitsopened hint

Number of
asci counted
Ascospore
arrangement
13 4 tan: 4 black
16 4 black: 4 tan
5 2 tan: 2 black: 2 tan: 2 black
4 2 black: 2 tan: 2 black: 2 tan
3 2 black: 4 tan: 2 black
3 2 tan: 4 black: 2 tan


  1. Add up all the crossover asci (those with any combination of spores except 4:4; you did this in the previous question).
  2. Divide the number of crossover asci by the total number of asci and multiply by 100 to get the percentage of asci showing crossovers.
  3. Divide this number by 2, because only half of the spores in each ascus are the result of a crossing-over event.


From the data provided in the previous question, calculate the map distance between the gene and the centromere.

15 map units
17 map units
34 map units
68 map units
0 0
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