Question

A dihybrid cross produces the following progeny AaBb 240 Aabb 754 aaBb 746 aabb 260. what is the distance between the two genes on the chromosome?
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Answer 1

Answer:

Total no. of progeny produced = 240 + 754 + 746 + 260 = 2000

                  map distance = 4/16 * 100

                                       = 25

Map distance between the 2 genes on chromosome is 25 map units.

Explanation:

Answer 2

Explanation:

Total no. of progeny produced =240 + 754+746+260= 2000

Map distance = No. of recombinant offspring / Total no. of offspring

= 4/16

=25

Map distance between 2 genes on the chromosome is 25 units

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