In this situation, it is a straightforward matter to cross one of the two strains to N2 males (or to generate a homozygous male stock from one of the mutant strains), and then cross the resultant heterozygous males to the second mutation to generate the a/+; b/+ trans-heterozygote.
Campbell County, Kentucky. Campbell County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 90,336. Its county seats are Alexandria and Newport. The county was formed on December 17, 1794, from sections of Scott, Harrison, and Mason Counties and was named for Colonel John Campbell (1735â1799), a Revolutionary War soldier and Kentucky legislator.
Pendleton County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 14,877. Its county seat is Falmouth. The county was founded December 31, 1798, Pendleton County is included in the Cincinnati-Middletown, OH-KY-IN Metropolitan Statistical Area.he county was named after Edmund Pendleton, a longtime member of the Virginia House of Burgesses, the Continental Congress and chief justice of Virginia. Falmouth, the future county seat, began as a settlement called Forks of Licking, circa 1776. It was the site of the Battle of Blue Licks during the Revolutionary War.