Phenotypically wild-type F₁female 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.

Question

Phenotypically wild-type F₁female 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.

Quizplus · Accepted Answer

The Answer of Phenotypically wild-type F₁female 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.

Phenotypically Wild-Type F1 female Drosophila, Whose Mothers Had Light Eyes

Phenotypically Wild-Type F₁female Drosophila, Whose Mothers Had Light Eyes