When someone is heterozygous for a trait, the difference between dominant and recessive traits becomes more important, because the dominant trait is the one which will manifest. In a simple example of the way in which dominant traits work, someone could have two parents who are heterozygous for brown and blue eyes.There is a 25% chance that the child will inherit the bb allele, making him or her blue-eyed.n a simple example of the way in which dominant traits work, someone could have two parents who are heterozygous for brown and blue eyes. There is a 25% chance that the child will inherit the bb allele, making him or her blue-eyed.
As of 2011, the average salary of a live-in housekeeper was $35,000 to $60,000 a year, according to a survey by the Professional Domestic Services and Institute. Those at the executive level, who supervise at least one other housekeeper, earned anywhere between $40,000 and $65,000 a year.
You may be intimidated by the potential cost of hiring a maid service, but before you get discouraged, here are a number of factors that could decrease your price or make it worthwhile regardless. The average maid service cost is $152, though homeowners could spend anywhere between $112 and $226 for their services.Typically, maid service charges are either by the hour or square footage. Per hour costs are between $25 and $35. Square footage charges depend on the size of your house.ome maid services may do a first-time cleaning by the square foot. This allows the maid service to determine how long it will take to clean your house and to get an idea of what special attention your house may require such as high ceiling fans, fragile antiques, etc.