October21stSupplement

October21stSupplement - chromosomes, not individual genes)...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
World journal of biological chemistry Forward genetics (mutagenesis screen) in Drosophila Mutagen: ethyl methane sulphonate (EMS) B= Balancer chromosome (a chr with multiple inversions and dominant markers ), M= mutagenized chromosome with a spectrum of mutations Symbols (m and B represent
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: chromosomes, not individual genes) 1. EMS mutagenize males are crossed to females with B chr 2. F1 males inherit M chr and are backcrossed to females with B chr 3. F2 males and females carrying the same M chr are crossed with each other 4. 25% of F3 are homozygous for M chr...
View Full Document

Ask a homework question - tutors are online