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.
Maid services can do a one-time cleaning as well. This can be useful for sprucing up your home for a holiday party, viewings by potential buyers or apartments after a tenant has moved out and before a new one comes in. For the typical home, this cost is normally around $200 to $300.his 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. On average, the typical single family home costs $130.