Acouple comes to you and tells you that they have one son, and that he has duchenne muscular dystrophy. they want to have another baby, but aren’t sure if they should try naturally, have in vitro fertilization with embryos that they can select, or use donor sperm. both parents are healthy and do not show traits of this disease. research how this disorder is inherited. consider what the chances are for a healthy baby with each of these scenarios and what would you recommend to this couple.

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.