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

question 15

Short Answer

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.

---

Definitions:

American Psychological Association

A leading scientific and professional organization representing psychology in the United States, known for its publication standards.

Citation Style

A standardized method of documenting the sources of ideas, data, or quotations used in academic writing.

Social Sciences

A branch of science that deals with the study of societies and the relationships among individuals within those societies.

Literature Search

involves systematically finding all relevant publications on a specific topic to inform research questions and methodologies.