Phenotypically wild-type F1 female Drosophila, whose mothers had light eyes (lt) and fathers had straw (stw) bristles, produced the following offspring when crossed to homozygous light-straw males:

Phenotype Number
light-straw 22
wild-type 18

light 990
straw 970
Total: 2000

Compute the map distance between the light and straw loci.


2 map units

Biology & Microbiology

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