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.
The larger the pad, the higher youâll pay in maid service costs: two-story, three bedroom homes may cost $149 to $400 for a one-time cleaning visit, and a 1,300-square-foot single-story home may cost $95 to $300 for the same services, according to CostHelper.com.ittle extras like loading the dishwasher and changing bed linens can increase your overall average cost for maid services. If you donât have room in your small apartment to store mops, brooms, dustpan, sponges, rags and cleaning products, pay extra for maids to bring their own cleaning supplies.