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.
Average House Cleaning Costs. The average national cost of hiring a maid service is $185, with apartment cleaning on average being a cheaper $95. Many factors may influence this price, including the size, number, and types of rooms you want cleaned and how often you want the cleaning done.pecific instructions are required so that the service knows exactly what needs doing, and cleaning supplies may need to be provided if you have specific requirements. The average national cost of hiring a maid service is $185, with apartment cleaning on average being a cheaper $95.