Chlamydomonas, a eukaryotic green alga, is sensitive to the…

Chlamydomonas, a eukaryotic green alga, is sensitive to the antibiotic erythromycin, which inhibits protein synthesis in prokaryotic cells, mitochondria, and chloroplasts. There are two mating types in this alga, mt+ and mt-. If an mt+ cell sensitive to the antibiotic is crossed with an mt- cell that is resistant, how will this trait be transmitted to the progeny?

In Drosophila, a female fly is heterozygous for three mutati…

In Drosophila, a female fly is heterozygous for three mutations, Bar eyes (B), miniature wings (m), and ebony body (e). Note that Bar is a dominant mutation. The fly is crossed to a male with normal eyes, miniature wings, and ebony body. The results of the cross are as follows. What is the distance between Bar and miniature (in cM)?